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138326892180 = 22355933887771
BaseRepresentation
bin1000000011010011101…
…1001101111010010100
3111020001020110012021220
42000310323031322110
54231243141022210
6143314013210340
712664604116641
oct2006473157224
9436036405256
10138326892180
1153733a19504
12229854909b0
131007606cc79
1469a3346dc8
1538e8dd0c70
hex2034ecde94

138326892180 has 48 divisors (see below), whose sum is σ = 387968543424. Its totient is φ = 36824957440.

The previous prime is 138326892173. The next prime is 138326892211. The reversal of 138326892180 is 81298623831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1908306 + ... + 1979465.

It is an arithmetic number, because the mean of its divisors is an integer number (8082677988).

Almost surely, 2138326892180 is an apocalyptic number.

138326892180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138326892180 is an abundant number, since it is smaller than the sum of its proper divisors (249641651244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

138326892180 is a wasteful number, since it uses less digits than its factorization.

138326892180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3888376 (or 3888374 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 138326892180 in words is "one hundred thirty-eight billion, three hundred twenty-six million, eight hundred ninety-two thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 593 1186 1779 2372 2965 3558 5930 7116 8895 11860 17790 35580 3887771 7775542 11663313 15551084 19438855 23326626 38877710 46653252 58316565 77755420 116633130 233266260 2305448203 4610896406 6916344609 9221792812 11527241015 13832689218 23054482030 27665378436 34581723045 46108964060 69163446090 138326892180