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3138086637 = 33743386131
BaseRepresentation
bin1011101100001011…
…0110011011101101
322002200212022121000
42323002312123231
522411322233022
61235220030513
7140523203430
oct27302663355
98080768530
103138086637
111370405a34
12736b32439
133b01a19ca
1421aaad817
1513576d6ac
hexbb0b66ed

3138086637 has 32 divisors (see below), whose sum is σ = 5436738560. Its totient is φ = 1751485680.

The previous prime is 3138086621. The next prime is 3138086687. The reversal of 3138086637 is 7366808313.

3138086637 is a `hidden beast` number, since 3 + 1 + 3 + 8 + 0 + 8 + 6 + 637 = 666.

It is not a de Polignac number, because 3138086637 - 24 = 3138086621 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3138086592 and 3138086601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138086687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 184939 + ... + 201192.

It is an arithmetic number, because the mean of its divisors is an integer number (169898080).

Almost surely, 23138086637 is an apocalyptic number.

It is an amenable number.

3138086637 is a deficient number, since it is larger than the sum of its proper divisors (2298651923).

3138086637 is a wasteful number, since it uses less digits than its factorization.

3138086637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386190 (or 386184 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 3138086637 is about 56018.6275894010. The cubic root of 3138086637 is about 1464.0468567037.

The spelling of 3138086637 in words is "three billion, one hundred thirty-eight million, eighty-six thousand, six hundred thirty-seven".

Divisors: 1 3 7 9 21 27 43 63 129 189 301 387 903 1161 2709 8127 386131 1158393 2702917 3475179 8108751 10425537 16603633 24326253 49810899 72978759 116225431 149432697 348676293 448298091 1046028879 3138086637