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38388396448 = 251199637389
BaseRepresentation
bin100011110000001000…
…000111000110100000
310200002100112121001001
4203300020013012200
51112104412141243
625345124321344
72526204662113
oct436010070640
9120070477031
1038388396448
111530a281486
127534243254
13380a2160ac
141c0253657a
15eea294a4d
hex8f02071a0

38388396448 has 12 divisors (see below), whose sum is σ = 75577155570. Its totient is φ = 19194198208.

The previous prime is 38388396437. The next prime is 38388396467. The reversal of 38388396448 is 84469388383.

It can be written as a sum of positive squares in only one way, i.e., 38348605584 + 39790864 = 195828^2 + 6308^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38388396448.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 599818663 + ... + 599818726.

Almost surely, 238388396448 is an apocalyptic number.

It is an amenable number.

38388396448 is a deficient number, since it is larger than the sum of its proper divisors (37188759122).

38388396448 is a wasteful number, since it uses less digits than its factorization.

38388396448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199637399 (or 1199637391 counting only the distinct ones).

The product of its digits is 95551488, while the sum is 64.

The spelling of 38388396448 in words is "thirty-eight billion, three hundred eighty-eight million, three hundred ninety-six thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 1199637389 2399274778 4798549556 9597099112 19194198224 38388396448