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38684794082268 = 2233223732840189
BaseRepresentation
bin10001100101111000000010…
…11010001101001111011100
312001222020012210221220101010
420302330001122031033130
520032302424241113033
6214135314333015220
711101612155150345
oct1062740132151734
9161866183856333
1038684794082268
1111365146826924
124409457324510
131877c640a7589
1497a4d56270cc
15471430da9863
hex232f0168d3dc

38684794082268 has 12 divisors (see below), whose sum is σ = 90264519525320. Its totient is φ = 12894931360752.

The previous prime is 38684794082267. The next prime is 38684794082293. The reversal of 38684794082268 is 86228049748683.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 38684794082268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38684794082267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611866420083 + ... + 1611866420106.

Almost surely, 238684794082268 is an apocalyptic number.

It is an amenable number.

38684794082268 is an abundant number, since it is smaller than the sum of its proper divisors (51579725443052).

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

38684794082268 is a wasteful number, since it uses less digits than its factorization.

38684794082268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223732840196 (or 3223732840194 counting only the distinct ones).

The product of its (nonzero) digits is 1783627776, while the sum is 75.

The spelling of 38684794082268 in words is "thirty-eight trillion, six hundred eighty-four billion, seven hundred ninety-four million, eighty-two thousand, two hundred sixty-eight".

Divisors: 1 2 3 4 6 12 3223732840189 6447465680378 9671198520567 12894931360756 19342397041134 38684794082268