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138213914060 = 2256910695703
BaseRepresentation
bin1000000010111000110…
…0001111010111001100
3111012202100212022110002
42000232030033113030
54231030230222220
6143254455503432
712662032612445
oct2005614172714
9435670768402
10138213914060
1153686173362
1222953687b78
1310058834201
1469923382cc
1538de015c75
hex202e30f5cc

138213914060 has 12 divisors (see below), whose sum is σ = 290249219568. Its totient is φ = 55285565616.

The previous prime is 138213914021. The next prime is 138213914077. The reversal of 138213914060 is 60419312831.

138213914060 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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455347832 + ... + 3455347871.

It is an arithmetic number, because the mean of its divisors is an integer number (24187434964).

Almost surely, 2138213914060 is an apocalyptic number.

138213914060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

138213914060 is an abundant number, since it is smaller than the sum of its proper divisors (152035305508).

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

138213914060 is a wasteful number, since it uses less digits than its factorization.

138213914060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910695712 (or 6910695710 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The spelling of 138213914060 in words is "one hundred thirty-eight billion, two hundred thirteen million, nine hundred fourteen thousand, sixty".

Divisors: 1 2 4 5 10 20 6910695703 13821391406 27642782812 34553478515 69106957030 138213914060