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38130995848 = 2311479219293
BaseRepresentation
bin100011100000110010…
…001101001010001000
310122102102012021210111
4203200302031022020
51111043013331343
625303411324104
72516631055051
oct434062151210
9118372167714
1038130995848
1115197a53610
127481bb0634
133798ab204a
141bba291728
15ed289cc9d
hex8e0c8d288

38130995848 has 32 divisors (see below), whose sum is σ = 79654700160. Its totient is φ = 16963497280.

The previous prime is 38130995843. The next prime is 38130995867. The reversal of 38130995848 is 84859903183.

It is a junction number, because it is equal to n+sod(n) for n = 38130995792 and 38130995801.

It is not an unprimeable number, because it can be changed into a prime (38130995843) 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 7 ways as a sum of consecutive naturals, for example, 4605511 + ... + 4613782.

It is an arithmetic number, because the mean of its divisors is an integer number (2489209380).

Almost surely, 238130995848 is an apocalyptic number.

It is an amenable number.

38130995848 is an abundant number, since it is smaller than the sum of its proper divisors (41523704312).

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

38130995848 is a wasteful number, since it uses less digits than its factorization.

38130995848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9219357 (or 9219353 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 38130995848 in words is "thirty-eight billion, one hundred thirty million, nine hundred ninety-five thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 47 88 94 188 376 517 1034 2068 4136 9219293 18438586 36877172 73754344 101412223 202824446 405648892 433306771 811297784 866613542 1733227084 3466454168 4766374481 9532748962 19065497924 38130995848