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102312102032 = 24713930721407
BaseRepresentation
bin101111101001001000…
…1101100100010010000
3100210002022021021222022
41133102101230202100
53134013344231112
6115000155231012
710251250342520
oct1372221544220
9323068237868
10102312102032
113a432572628
12179b4148468
13985683115a
144d4815d680
1529dc1ebd72
hex17d246c890

102312102032 has 80 divisors (see below), whose sum is σ = 228932014080. Its totient is φ = 43388763264.

The previous prime is 102312102017. The next prime is 102312102041. The reversal of 102312102032 is 230201213201.

It is a self number, because there is not a number n which added to its sum of digits gives 102312102032.

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, 4768673 + ... + 4790079.

It is an arithmetic number, because the mean of its divisors is an integer number (2861650176).

Almost surely, 2102312102032 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 102312102032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114466007040).

102312102032 is an abundant number, since it is smaller than the sum of its proper divisors (126619912048).

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

102312102032 is a wasteful number, since it uses less digits than its factorization.

102312102032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21868 (or 21862 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 102312102032 its reverse (230201213201), we get a palindrome (332513315233).

The spelling of 102312102032 in words is "one hundred two billion, three hundred twelve million, one hundred two thousand, thirty-two".

Divisors: 1 2 4 7 8 14 16 28 56 112 139 278 307 556 614 973 1112 1228 1946 2149 2224 2456 3892 4298 4912 7784 8596 15568 17192 21407 34384 42673 42814 85346 85628 149849 170692 171256 298711 299698 341384 342512 597422 599396 682768 1194844 1198792 2389688 2397584 2975573 4779376 5951146 6571949 11902292 13143898 20829011 23804584 26287796 41658022 46003643 47609168 52575592 83316044 92007286 105151184 166632088 184014572 333264176 368029144 736058288 913500911 1827001822 3654003644 6394506377 7308007288 12789012754 14616014576 25578025508 51156051016 102312102032