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38670845136 = 24371110462891
BaseRepresentation
bin100100000000111101…
…100100010011010000
310200211001000110210120
4210000331210103100
51113144214021021
625433134230240
72536204521510
oct440075442320
9120731013716
1038670845136
1115444758350
1275b2955380
1338538aa1b1
141c2bc5b840
151014e882c6
hex900f644d0

38670845136 has 80 divisors (see below), whose sum is σ = 124550266368. Its totient is φ = 10044374400.

The previous prime is 38670845123. The next prime is 38670845137. The reversal of 38670845136 is 63154807683.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38670845137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5227750 + ... + 5235141.

Almost surely, 238670845136 is an apocalyptic number.

It is an amenable number.

38670845136 is an abundant number, since it is smaller than the sum of its proper divisors (85879421232).

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

38670845136 is a wasteful number, since it uses less digits than its factorization.

38670845136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10462920 (or 10462914 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 38670845136 in words is "thirty-eight billion, six hundred seventy million, eight hundred forty-five thousand, one hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 231 264 308 336 462 528 616 924 1232 1848 3696 10462891 20925782 31388673 41851564 62777346 73240237 83703128 115091801 125554692 146480474 167406256 219720711 230183602 251109384 292960948 345275403 439441422 460367204 502218768 585921896 690550806 805642607 878882844 920734408 1171843792 1381101612 1611285214 1757765688 1841468816 2416927821 2762203224 3222570428 3515531376 4833855642 5524406448 6445140856 9667711284 12890281712 19335422568 38670845136