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37692145922 = 2107212832
BaseRepresentation
bin100011000110101000…
…001000000100000010
310121021211102101212112
4203012220020010002
51104143142132142
625152053255322
72503021645154
oct430650100402
9117254371775
1037692145922
1114a92263122
12737b034542
133728bba532
141b77c96ad4
15ea90b3382
hex8c6a08102

37692145922 has 18 divisors (see below), whose sum is σ = 57116069283. Its totient is φ = 18655389652.

The previous prime is 37692145921. The next prime is 37692145927. The reversal of 37692145922 is 22954129673.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18846072961 + 18846072961 = 137281^2 + 137281^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=137281.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (37692145921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29377493 + ... + 29378775.

Almost surely, 237692145922 is an apocalyptic number.

37692145922 is a deficient number, since it is larger than the sum of its proper divisors (19423923361).

37692145922 is an frugal number, since it uses more digits than its factorization.

37692145922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 1392 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 50.

Multiplying 37692145922 by its sum of digits (50), we get a square (1884607296100 = 13728102).

The spelling of 37692145922 in words is "thirty-seven billion, six hundred ninety-two million, one hundred forty-five thousand, nine hundred twenty-two".

Divisors: 1 2 107 214 1283 2566 11449 22898 137281 274562 1646089 3292178 14689067 29378134 176131523 352263046 18846072961 37692145922