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138813190029 = 32531723168899
BaseRepresentation
bin1000000101000111101…
…0010010111110001101
3111021022010111200112100
42001101322102332031
54233242134040104
6143434144225313
713012630434633
oct2012172227615
9437263450470
10138813190029
1153963477258
1222aa030b239
1310122a38387
146a0bb73353
15392693e139
hex2051e92f8d

138813190029 has 24 divisors (see below), whose sum is σ = 204410887200. Its totient is φ = 90742815072.

The previous prime is 138813190027. The next prime is 138813190037. The reversal of 138813190029 is 920091318831.

It is not a de Polignac number, because 138813190029 - 21 = 138813190027 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138813190027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 737422 + ... + 906320.

It is an arithmetic number, because the mean of its divisors is an integer number (8517120300).

Almost surely, 2138813190029 is an apocalyptic number.

It is an amenable number.

138813190029 is a deficient number, since it is larger than the sum of its proper divisors (65597697171).

138813190029 is a wasteful number, since it uses less digits than its factorization.

138813190029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170681 (or 170678 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 138813190029 in words is "one hundred thirty-eight billion, eight hundred thirteen million, one hundred ninety thousand, twenty-nine".

Divisors: 1 3 9 53 159 477 1723 5169 15507 91319 168899 273957 506697 821871 1520091 8951647 26854941 80564823 291012977 873038931 2619116793 15423687781 46271063343 138813190029