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38130104808 = 2333971819879
BaseRepresentation
bin100011100000101110…
…110011100111101000
310122102100112000112000
4203200232303213220
51111042301323213
625303340251000
72516620354215
oct434056634750
9118370460460
1038130104808
11151974a5114
127481840a60
13379885c5c3
141bba0dcb0c
15ed2773c73
hex8e0bb39e8

38130104808 has 64 divisors (see below), whose sum is σ = 107008944000. Its totient is φ = 12578996736.

The previous prime is 38130104717. The next prime is 38130104809. The reversal of 38130104808 is 80840103183.

38130104808 is a `hidden beast` number, since 38 + 130 + 10 + 480 + 8 = 666.

38130104808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (38130104809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888988 + ... + 930891.

It is an arithmetic number, because the mean of its divisors is an integer number (1672014750).

Almost surely, 238130104808 is an apocalyptic number.

It is an amenable number.

38130104808 is an abundant number, since it is smaller than the sum of its proper divisors (68878839192).

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

38130104808 is a wasteful number, since it uses less digits than its factorization.

38130104808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819991 (or 1819981 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 38130104808 in words is "thirty-eight billion, one hundred thirty million, one hundred four thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 97 108 194 216 291 388 582 776 873 1164 1746 2328 2619 3492 5238 6984 10476 20952 1819879 3639758 5459637 7279516 10919274 14559032 16378911 21838548 32757822 43677096 49136733 65515644 98273466 131031288 176528263 196546932 353056526 393093864 529584789 706113052 1059169578 1412226104 1588754367 2118339156 3177508734 4236678312 4766263101 6355017468 9532526202 12710034936 19065052404 38130104808