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427703021130 = 235711257720439
BaseRepresentation
bin1100011100101010001…
…01100010111001001010
31111212222100200122201110
412032111011202321022
524001413433134010
6524252320031150
742620610460320
oct6162505427112
91455870618643
10427703021130
1115542a229190
126aa84a624b6
1331441b78438
14169b5527d10
15b1d3a4b120
hex6395162e4a

427703021130 has 128 divisors (see below), whose sum is σ = 1284757770240. Its totient is φ = 88527421440.

The previous prime is 427703021093. The next prime is 427703021143. The reversal of 427703021130 is 31120307724.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 233451 + ... + 953889.

It is an arithmetic number, because the mean of its divisors is an integer number (10037170080).

Almost surely, 2427703021130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427703021130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642378885120).

427703021130 is an abundant number, since it is smaller than the sum of its proper divisors (857054749110).

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

427703021130 is a wasteful number, since it uses less digits than its factorization.

427703021130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720724.

The product of its (nonzero) digits is 7056, while the sum is 30.

Adding to 427703021130 its reverse (31120307724), we get a palindrome (458823328854).

The spelling of 427703021130 in words is "four hundred twenty-seven billion, seven hundred three million, twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 257 330 385 462 514 770 771 1155 1285 1542 1799 2310 2570 2827 3598 3855 5397 5654 7710 8481 8995 10794 14135 16962 17990 19789 26985 28270 39578 42405 53970 59367 84810 98945 118734 197890 296835 593670 720439 1440878 2161317 3602195 4322634 5043073 7204390 7924829 10086146 10806585 15129219 15849658 21613170 23774487 25215365 30258438 39624145 47548974 50430730 55473803 75646095 79248290 110947606 118872435 151292190 166421409 185152823 237744870 277369015 332842818 370305646 554738030 555458469 832107045 925764115 1110916938 1296069761 1664214090 1851528230 2036681053 2592139522 2777292345 3888209283 4073362106 5554584690 6110043159 6480348805 7776418566 10183405265 12220086318 12960697610 14256767371 19441046415 20366810530 28513534742 30550215795 38882092830 42770302113 61100431590 71283836855 85540604226 142567673710 213851510565 427703021130