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38390923514 = 2117123996833
BaseRepresentation
bin100011110000010001…
…110000000011111010
310200002112021222112002
4203300101300003322
51112111034023024
625345254421002
72526235315466
oct436021600372
9120075258462
1038390923514
1115310748069
127535061762
13380a8bc3b8
141c029d34a6
15eea5e36ae
hex8f04700fa

38390923514 has 16 divisors (see below), whose sum is σ = 57668025600. Its totient is φ = 19168269120.

The previous prime is 38390923457. The next prime is 38390923517. The reversal of 38390923514 is 41532909383.

It is not an unprimeable number, because it can be changed into a prime (38390923517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5615042 + ... + 5621874.

It is an arithmetic number, because the mean of its divisors is an integer number (3604251600).

Almost surely, 238390923514 is an apocalyptic number.

38390923514 is a deficient number, since it is larger than the sum of its proper divisors (19277102086).

38390923514 is a wasteful number, since it uses less digits than its factorization.

38390923514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10405.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 38390923514 in words is "thirty-eight billion, three hundred ninety million, nine hundred twenty-three thousand, five hundred fourteen".

Divisors: 1 2 1171 2342 2399 4798 6833 13666 2809229 5618458 8001443 16002886 16392367 32784734 19195461757 38390923514