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38793394128 = 2431063760297
BaseRepresentation
bin100100001000010001…
…000011011111010000
310201010120121121102010
4210020101003133100
51113422102103003
625453233022520
72542223260266
oct441021033720
9121116547363
1038793394128
11154a7950205
1276279b4a40
1338730b73a8
141c4023c436
151020ae4003
hex9084437d0

38793394128 has 40 divisors (see below), whose sum is σ = 100310676928. Its totient is φ = 12918949632.

The previous prime is 38793394127. The next prime is 38793394139. The reversal of 38793394128 is 82149339783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38793394127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329125 + ... + 431172.

Almost surely, 238793394128 is an apocalyptic number.

It is an amenable number.

38793394128 is an abundant number, since it is smaller than the sum of its proper divisors (61517282800).

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

38793394128 is a wasteful number, since it uses less digits than its factorization.

38793394128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761371 (or 761365 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 57.

The spelling of 38793394128 in words is "thirty-eight billion, seven hundred ninety-three million, three hundred ninety-four thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1063 2126 3189 4252 6378 8504 12756 17008 25512 51024 760297 1520594 2280891 3041188 4561782 6082376 9123564 12164752 18247128 36494256 808195711 1616391422 2424587133 3232782844 4849174266 6465565688 9698348532 12931131376 19396697064 38793394128