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188520775866082 = 21121737615917157
BaseRepresentation
bin101010110111010101101001…
…111000001101011011100010
3220201111102002000020000110001
4222313111221320031123202
5144202211022110203312
61504541125425330214
754465114366154612
oct5267255170153342
9821442060200401
10188520775866082
1155083237282700
121918870a49696a
13812658207795a
14347a6505d6a42
1516bdcd0bc9057
hexab7569e0d6e2

188520775866082 has 48 divisors (see below), whose sum is σ = 313033113816696. Its totient is φ = 85083969555200.

The previous prime is 188520775866067. The next prime is 188520775866109. The reversal of 188520775866082 is 280668577025881.

It can be written as a sum of positive squares in 4 ways, for example, as 183593801003041 + 4926974863041 = 13549679^2 + 2219679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 188520775865996 and 188520775866014.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28901448 + ... + 34818604.

Almost surely, 2188520775866082 is an apocalyptic number.

188520775866082 is a deficient number, since it is larger than the sum of its proper divisors (124512337950614).

188520775866082 is a wasteful number, since it uses less digits than its factorization.

188520775866082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918115 (or 5918104 counting only the distinct ones).

The product of its (nonzero) digits is 722534400, while the sum is 73.

The spelling of 188520775866082 in words is "one hundred eighty-eight trillion, five hundred twenty billion, seven hundred seventy-five million, eight hundred sixty-six thousand, eighty-two".

Divisors: 1 2 11 22 121 173 242 346 761 1522 1903 3806 8371 16742 20933 41866 92081 131653 184162 263306 1448183 2896366 5917157 11834314 15930013 31860026 65088727 130177454 715975997 1023668161 1431951994 2047336322 4502956477 9005912954 11260349771 22520699542 49532521247 99065042494 123863847481 247727694962 544857733717 779011470521 1089715467434 1558022941042 8569126175731 17138252351462 94260387933041 188520775866082