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10200342440 = 2354159271389
BaseRepresentation
bin10010111111111110…
…01101111110101000
3222022212202002021202
421133333031332220
5131342241424230
64404100423332
7510526323461
oct113777157650
928285662252
1010200342440
114364911282
121b880a7b48
13c673645b2
146ca9d3d68
153ea783a45
hex25ffcdfa8

10200342440 has 128 divisors (see below), whose sum is σ = 24058944000. Its totient is φ = 3888691200.

The previous prime is 10200342437. The next prime is 10200342491. The reversal of 10200342440 is 4424300201.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26221766 + ... + 26222154.

It is an arithmetic number, because the mean of its divisors is an integer number (187960500).

Almost surely, 210200342440 is an apocalyptic number.

10200342440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10200342440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12029472000).

10200342440 is an abundant number, since it is smaller than the sum of its proper divisors (13858601560).

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

10200342440 is a wasteful number, since it uses less digits than its factorization.

10200342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 10200342440 its reverse (4424300201), we get a palindrome (14624642641).

The spelling of 10200342440 in words is "ten billion, two hundred million, three hundred forty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 41 59 82 118 164 205 236 271 295 328 389 410 472 542 590 778 820 1084 1180 1355 1556 1640 1945 2168 2360 2419 2710 3112 3890 4838 5420 7780 9676 10840 11111 12095 15560 15949 15989 19352 22222 22951 24190 31898 31978 44444 45902 48380 55555 63796 63956 79745 79945 88888 91804 96760 105419 111110 114755 127592 127912 159490 159890 183608 210838 222220 229510 318980 319780 421676 444440 459020 527095 637960 639560 655549 843352 918040 940991 1054190 1311098 1881982 2108380 2622196 3277745 3763964 4216760 4322179 4704955 5244392 6219721 6555490 7527928 8644358 9409910 12439442 13110980 17288716 18819820 21610895 24878884 26221960 31098605 34577432 37639640 43221790 49757768 62197210 86443580 124394420 172887160 248788840 255008561 510017122 1020034244 1275042805 2040068488 2550085610 5100171220 10200342440