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38392142884 = 2229330966749
BaseRepresentation
bin100011110000010110…
…011001110000100100
310200002121120221011221
4203300112121300210
51112111342033014
625345340510124
72526251554504
oct436026316044
9120077527157
1038392142884
1115311400207
12753554b344
13380ac28414
141c02c2da04
15eea784b24
hex8f0599c24

38392142884 has 12 divisors (see below), whose sum is σ = 69503017500. Its totient is φ = 18534137888.

The previous prime is 38392142863. The next prime is 38392142909. The reversal of 38392142884 is 48824129383.

It can be written as a sum of positive squares in 2 ways, for example, as 8887209984 + 29504932900 = 94272^2 + 171770^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165483259 + ... + 165483490.

It is an arithmetic number, because the mean of its divisors is an integer number (5791918125).

Almost surely, 238392142884 is an apocalyptic number.

It is an amenable number.

38392142884 is a deficient number, since it is larger than the sum of its proper divisors (31110874616).

38392142884 is a wasteful number, since it uses less digits than its factorization.

38392142884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330966782 (or 330966780 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 52.

The spelling of 38392142884 in words is "thirty-eight billion, three hundred ninety-two million, one hundred forty-two thousand, eight hundred eighty-four".

Divisors: 1 2 4 29 58 116 330966749 661933498 1323866996 9598035721 19196071442 38392142884