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38871070686312 = 2332277134924869
BaseRepresentation
bin10001101011010011000000…
…10111000011110001101000
312002122001000202020211201020
420311221200113003301220
520043330423043430222
6214401042351052440
711121225240153534
oct1065514027036150
9162561022224636
1038871070686312
1111427146043577
124439582b11120
13188c6ac1b35c7
14985526c74bc4
154761d463765c
hex235a605c3c68

38871070686312 has 32 divisors (see below), whose sum is σ = 97605772221600. Its totient is φ = 12899944161344.

The previous prime is 38871070686281. The next prime is 38871070686319. The reversal of 38871070686312 is 21368607017883.

It is a happy number.

It is a super-2 number, since 2×388710706863122 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38871070686319) 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, 3567456987 + ... + 3567467882.

It is an arithmetic number, because the mean of its divisors is an integer number (3050180381925).

Almost surely, 238871070686312 is an apocalyptic number.

It is an amenable number.

38871070686312 is an abundant number, since it is smaller than the sum of its proper divisors (58734701535288).

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

38871070686312 is a wasteful number, since it uses less digits than its factorization.

38871070686312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134925105 (or 7134925101 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 38871070686312 in words is "thirty-eight trillion, eight hundred seventy-one billion, seventy million, six hundred eighty-six thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 227 454 681 908 1362 1816 2724 5448 7134924869 14269849738 21404774607 28539699476 42809549214 57079398952 85619098428 171238196856 1619627945263 3239255890526 4858883835789 6478511781052 9717767671578 12957023562104 19435535343156 38871070686312