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138385353164 = 221710918670447
BaseRepresentation
bin1000000011100001101…
…0001110100111001100
3111020012022110022200112
42000320122032213030
54231403122300124
6143323502215152
712666214044062
oct2007032164714
9436168408615
10138385353164
1153763a19073
12229a0b844b8
13100851cb576
1469ab004032
1538ee0cc90e
hex203868e9cc

138385353164 has 24 divisors (see below), whose sum is σ = 258772409280. Its totient is φ = 64525061376.

The previous prime is 138385353157. The next prime is 138385353187. The reversal of 138385353164 is 461353583831.

138385353164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 9327812 + ... + 9342635.

It is an arithmetic number, because the mean of its divisors is an integer number (10782183720).

Almost surely, 2138385353164 is an apocalyptic number.

It is an amenable number.

138385353164 is a deficient number, since it is larger than the sum of its proper divisors (120387056116).

138385353164 is a wasteful number, since it uses less digits than its factorization.

138385353164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18670577 (or 18670575 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 50.

The spelling of 138385353164 in words is "one hundred thirty-eight billion, three hundred eighty-five million, three hundred fifty-three thousand, one hundred sixty-four".

Divisors: 1 2 4 17 34 68 109 218 436 1853 3706 7412 18670447 37340894 74681788 317397599 634795198 1269590396 2035078723 4070157446 8140314892 34596338291 69192676582 138385353164