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38603855136 = 25371117973167
BaseRepresentation
bin100011111100111110…
…000001010100100000
310200122100222000210110
4203330332001110200
51113030041331021
625422342331320
72534432232420
oct437476012440
9120570860713
1038603855136
111540a962810
127594429b40
133842a53742
141c22dc0480
15100e154476
hex8fcf81520

38603855136 has 384 divisors, whose sum is σ = 135193411584. Its totient is φ = 9336913920.

The previous prime is 38603855117. The next prime is 38603855137. The reversal of 38603855136 is 63155830683.

It is a super-2 number, since 2×386038551362 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (38603855137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12187825 + ... + 12190991.

It is an arithmetic number, because the mean of its divisors is an integer number (352066176).

Almost surely, 238603855136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38603855136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67596705792).

38603855136 is an abundant number, since it is smaller than the sum of its proper divisors (96589556448).

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

38603855136 is a wasteful number, since it uses less digits than its factorization.

38603855136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3312 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 38603855136 in words is "thirty-eight billion, six hundred three million, eight hundred fifty-five thousand, one hundred thirty-six".