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102684620088964 = 22312137211932
BaseRepresentation
bin10111010110010000100000…
…010011011110011010000100
3111110120112221201122100100001
4113112100200103132122010
5101424341100220321324
61002220355132131044
730425501416322134
oct2726204023363204
9443515851570301
10102684620088964
112a79a33706a881
12b624b73606a84
13453b16c6a1674
141b4dd6812aac4
15bd10e14e8e44
hex5d64204de684

102684620088964 has 81 divisors (see below), whose sum is σ = 187203941360751. Its totient is φ = 49282090149120.

The previous prime is 102684620088913. The next prime is 102684620089013. The reversal of 102684620088964 is 469880026486201.

The square root of 102684620088964 is 10133342.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1054026648964 + 101630593440000 = 1026658^2 + 10081200^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102684620088896 and 102684620088905.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 86072606352 + ... + 86072607544.

Almost surely, 2102684620088964 is an apocalyptic number.

102684620088964 is the 10133342-nd square number.

It is an amenable number.

102684620088964 is a deficient number, since it is larger than the sum of its proper divisors (84519321271787).

102684620088964 is an frugal number, since it uses more digits than its factorization.

102684620088964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 64.

The spelling of 102684620088964 in words is "one hundred two trillion, six hundred eighty-four billion, six hundred twenty million, eighty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 4 31 62 124 137 274 548 961 1193 1922 2386 3844 4247 4772 8494 16988 18769 36983 37538 73966 75076 131657 147932 163441 263314 326882 526628 581839 653764 1146473 1163678 1423249 2292946 2327356 2846498 4585892 5066671 5692996 10133342 18037009 20266684 22391417 36074018 44120719 44782834 72148036 88241438 89565668 157066801 176482876 194985113 314133602 389970226 628267204 694133927 779940452 1367742289 1388267854 2735484578 2776535708 5470969156 6044538503 12089077006 21518151737 24178154012 26712960481 43036303474 53425920962 86072606948 106851841924 187380693593 374761387186 749522774372 828101774911 1656203549822 3312407099644 25671155022241 51342310044482 102684620088964