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19013070782430 = 2325232715624653
BaseRepresentation
bin1000101001010110100110…
…10101000111111111011110
32111022122001121000121212200
410110223103111013333132
54443002232110014210
6104234252323512330
74001435422053144
oct424532325077736
974278047017780
1019013070782430
11607044187247a
122170a3ab286a6
13a7bc03c708aa
1449a347b27594
1522e890da40c0
hex114ad3547fde

19013070782430 has 144 divisors (see below), whose sum is σ = 52404586337376. Its totient is φ = 4781404172160.

The previous prime is 19013070782413. The next prime is 19013070782473. The reversal of 19013070782430 is 3428707031091.

19013070782430 is a `hidden beast` number, since 1 + 9 + 0 + 130 + 7 + 0 + 7 + 82 + 430 = 666.

It is a super-2 number, since 2×190130707824302 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 567984 + ... + 6192636.

It is an arithmetic number, because the mean of its divisors is an integer number (363920738454).

Almost surely, 219013070782430 is an apocalyptic number.

19013070782430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19013070782430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26202293168688).

19013070782430 is an abundant number, since it is smaller than the sum of its proper divisors (33391515554946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19013070782430 is a wasteful number, since it uses less digits than its factorization.

19013070782430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5624783 (or 5624757 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 19013070782430 in words is "nineteen trillion, thirteen billion, seventy million, seven hundred eighty-two thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 71 90 115 138 142 207 213 230 345 355 414 426 529 639 690 710 1035 1058 1065 1278 1587 1633 2070 2130 2645 3174 3195 3266 4761 4899 5290 6390 7935 8165 9522 9798 14697 15870 16330 23805 24495 29394 37559 47610 48990 73485 75118 112677 146970 187795 225354 338031 375590 563385 676062 1126770 1690155 3380310 5624653 11249306 16873959 28123265 33747918 50621877 56246530 84369795 101243754 129367019 168739590 253109385 258734038 388101057 399350363 506218770 646835095 776202114 798700726 1164303171 1198051089 1293670190 1940505285 1996751815 2328606342 2396102178 2975441437 3594153267 3881010570 3993503630 5821515855 5950882874 5990255445 7188306534 8926324311 9185058349 11643031710 11980510890 14877207185 17852648622 17970766335 18370116698 26778972933 27555175047 29754414370 35941532670 44631621555 45925291745 53557945866 55110350094 82665525141 89263243110 91850583490 133894864665 137775875235 165331050282 211256342027 267789729330 275551750470 413327625705 422512684054 633769026081 826655251410 1056281710135 1267538052162 1901307078243 2112563420270 3168845130405 3802614156486 6337690260810 9506535391215 19013070782430