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38885172516 = 22327919136399
BaseRepresentation
bin100100001101101111…
…001010010100100100
310201100222022102200200
4210031233022110210
51114114101010031
625510312110500
72544416340621
oct441557122444
9121328272620
1038885172516
1115544736713
127652695430
13388910c928
141c4c4cd348
151028bc28e6
hex90dbca524

38885172516 has 36 divisors (see below), whose sum is σ = 98306208000. Its totient is φ = 12959992368.

The previous prime is 38885172439. The next prime is 38885172593. The reversal of 38885172516 is 61527158883.

38885172516 is a `hidden beast` number, since 3 + 8 + 8 + 8 + 51 + 72 + 516 = 666.

It is an interprime number because it is at equal distance from previous prime (38885172439) and next prime (38885172593).

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 216885 + ... + 353283.

It is an arithmetic number, because the mean of its divisors is an integer number (2730728000).

Almost surely, 238885172516 is an apocalyptic number.

38885172516 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38885172516 is an abundant number, since it is smaller than the sum of its proper divisors (59421035484).

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

38885172516 is a wasteful number, since it uses less digits than its factorization.

38885172516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144328 (or 144323 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The spelling of 38885172516 in words is "thirty-eight billion, eight hundred eighty-five million, one hundred seventy-two thousand, five hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 7919 15838 23757 31676 47514 71271 95028 136399 142542 272798 285084 409197 545596 818394 1227591 1636788 2455182 4910364 1080143681 2160287362 3240431043 4320574724 6480862086 9721293129 12961724172 19442586258 38885172516