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102002131230032 = 241115735910282589
BaseRepresentation
bin10111001100010100111000…
…110011000101110101010000
3111101011022022220110002020102
4113030110320303011311100
5101332200331043330112
61000535044315231532
730325260620615045
oct2714247063056520
9441138286402212
10102002131230032
112a5569519866a0
12b5348434485a8
1344bb9b50b0c77
141b28d0275b1cc
15bbd499932bc2
hex5cc538cc5d50

102002131230032 has 80 divisors (see below), whose sum is σ = 217573023542400. Its totient is φ = 45940957969920.

The previous prime is 102002131229993. The next prime is 102002131230061. The reversal of 102002131230032 is 230032131200201.

It is a junction number, because it is equal to n+sod(n) for n = 102002131229986 and 102002131230013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4778594 + ... + 15061182.

It is an arithmetic number, because the mean of its divisors is an integer number (2719662794280).

Almost surely, 2102002131230032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102002131230032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108786511771200).

102002131230032 is an abundant number, since it is smaller than the sum of its proper divisors (115570892312368).

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

102002131230032 is a wasteful number, since it uses less digits than its factorization.

102002131230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10283124 (or 10283118 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102002131230032 its reverse (230032131200201), we get a palindrome (332034262430233).

The spelling of 102002131230032 in words is "one hundred two trillion, two billion, one hundred thirty-one million, two hundred thirty thousand, thirty-two".

Divisors: 1 2 4 8 11 16 22 44 88 157 176 314 359 628 718 1256 1436 1727 2512 2872 3454 3949 5744 6908 7898 13816 15796 27632 31592 56363 63184 112726 225452 450904 619993 901808 1239986 2479972 4959944 9919888 10282589 20565178 41130356 82260712 113108479 164521424 226216958 452433916 904867832 1614366473 1809735664 3228732946 3691449451 6457465892 7382898902 12914931784 14765797804 17758031203 25829863568 29531595608 35516062406 40605943961 59063191216 71032124812 81211887922 142064249624 162423775844 284128499248 324847551688 579557563807 649695103376 1159115127614 2318230255228 4636460510456 6375133201877 9272921020912 12750266403754 25500532807508 51001065615016 102002131230032