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38905365896 = 2340956920897
BaseRepresentation
bin100100001110111100…
…001100010110001000
310201102101022100210122
4210032330030112020
51114134233202041
625512313002412
72545053103505
oct441674142610
9121371270718
1038905365896
1115555079261
1276593b3408
133890360087
141c510684ac
15102a860c4b
hex90ef0c588

38905365896 has 32 divisors (see below), whose sum is σ = 73257939000. Its totient is φ = 19370090496.

The previous prime is 38905365869. The next prime is 38905365907. The reversal of 38905365896 is 69856350983.

It can be written as a sum of positive squares in 4 ways, for example, as 35815562500 + 3089803396 = 189250^2 + 55586^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1851320 + ... + 1872216.

Almost surely, 238905365896 is an apocalyptic number.

It is an amenable number.

38905365896 is a deficient number, since it is larger than the sum of its proper divisors (34352573104).

38905365896 is a wasteful number, since it uses less digits than its factorization.

38905365896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21881 (or 21877 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 38905365896 in words is "thirty-eight billion, nine hundred five million, three hundred sixty-five thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 409 569 818 1138 1636 2276 3272 4552 20897 41794 83588 167176 232721 465442 930884 1861768 8546873 11890393 17093746 23780786 34187492 47561572 68374984 95123144 4863170737 9726341474 19452682948 38905365896