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238675872720 = 2435994482803
BaseRepresentation
bin1101111001001000110…
…0001100101111010000
3211211001201202120211210
43132102030030233100
512402302010411340
6301351324140120
723146416305265
oct3362214145720
9754051676753
10238675872720
119224934287a
123a310097640
1319678c6986c
14b7a288b26c
15631daa2180
hex379230cbd0

238675872720 has 40 divisors (see below), whose sum is σ = 739895206176. Its totient is φ = 63646899328.

The previous prime is 238675872661. The next prime is 238675872727. The reversal of 238675872720 is 27278576832.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238675872727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497241162 + ... + 497241641.

Almost surely, 2238675872720 is an apocalyptic number.

238675872720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238675872720 is an abundant number, since it is smaller than the sum of its proper divisors (501219333456).

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

238675872720 is a wasteful number, since it uses less digits than its factorization.

238675872720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994482819 (or 994482813 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 238675872720 in words is "two hundred thirty-eight billion, six hundred seventy-five million, eight hundred seventy-two thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 994482803 1988965606 2983448409 3977931212 4972414015 5966896818 7955862424 9944828030 11933793636 14917242045 15911724848 19889656060 23867587272 29834484090 39779312120 47735174544 59668968180 79558624240 119337936360 238675872720