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138527868162 = 2323087978027
BaseRepresentation
bin1000000100000011100…
…1111000010100000010
3111020120020121211111210
42001000321320110002
54232201113240122
6143345552550550
713002564310515
oct2010071702402
9436506554453
10138527868162
1153827408762
1222a20852456
13100a88a9578
1469c1d00d7c
15390b87e40c
hex2040e78502

138527868162 has 8 divisors (see below), whose sum is σ = 277055736336. Its totient is φ = 46175956052.

The previous prime is 138527868109. The next prime is 138527868211. The reversal of 138527868162 is 261868725831.

It is a sphenic number, since it is the product of 3 distinct primes.

138527868162 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11543989008 + ... + 11543989019.

It is an arithmetic number, because the mean of its divisors is an integer number (34631967042).

Almost surely, 2138527868162 is an apocalyptic number.

138527868162 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

138527868162 is a wasteful number, since it uses less digits than its factorization.

138527868162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23087978032.

The product of its digits is 7741440, while the sum is 57.

The spelling of 138527868162 in words is "one hundred thirty-eight billion, five hundred twenty-seven million, eight hundred sixty-eight thousand, one hundred sixty-two".

Divisors: 1 2 3 6 23087978027 46175956054 69263934081 138527868162