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138790815006 = 23146331580797
BaseRepresentation
bin1000000101000010010…
…0111100010100011110
3111021020120101220202210
42001100210330110132
54233220422040011
6143432024501250
713012236314424
oct2012044742436
9437216356683
10138790815006
11539518845a8
1222a9491a826
131011b202c0c
146a08bcb114
1539249be6a6
hex205093c51e

138790815006 has 16 divisors (see below), whose sum is σ = 277600775184. Its totient is φ = 46260414144.

The previous prime is 138790814983. The next prime is 138790815067. The reversal of 138790815006 is 600518097831.

138790815006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 702601 + ... + 878196.

It is an arithmetic number, because the mean of its divisors is an integer number (17350048449).

Almost surely, 2138790815006 is an apocalyptic number.

138790815006 is an abundant number, since it is smaller than the sum of its proper divisors (138809960178).

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

138790815006 is a wasteful number, since it uses less digits than its factorization.

138790815006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1595435.

The product of its (nonzero) digits is 362880, while the sum is 48.

The spelling of 138790815006 in words is "one hundred thirty-eight billion, seven hundred ninety million, eight hundred fifteen thousand, six".

Divisors: 1 2 3 6 14633 29266 43899 87798 1580797 3161594 4742391 9484782 23131802501 46263605002 69395407503 138790815006