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38781583796 = 2279122726531
BaseRepresentation
bin100100000111100100…
…000000000110110100
310201002202101120200102
4210013210000012310
51113411041140141
625452131533232
72542021010654
oct440744000664
9121082346612
1038781583796
11154a12139aa
127623a5a218
133870810827
141c3c846364
15101ea5e99b
hex9079001b4

38781583796 has 12 divisors (see below), whose sum is σ = 68726857920. Its totient is φ = 19145338680.

The previous prime is 38781583759. The next prime is 38781583859. The reversal of 38781583796 is 69738518783.

It is a super-2 number, since 2×387815837962 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 61362950 + ... + 61363581.

It is an arithmetic number, because the mean of its divisors is an integer number (5727238160).

Almost surely, 238781583796 is an apocalyptic number.

It is an amenable number.

38781583796 is a deficient number, since it is larger than the sum of its proper divisors (29945274124).

38781583796 is a wasteful number, since it uses less digits than its factorization.

38781583796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122726614 (or 122726612 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 65.

The spelling of 38781583796 in words is "thirty-eight billion, seven hundred eighty-one million, five hundred eighty-three thousand, seven hundred ninety-six".

Divisors: 1 2 4 79 158 316 122726531 245453062 490906124 9695395949 19390791898 38781583796