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138006792565 = 5359478716061
BaseRepresentation
bin1000000010000111011…
…0001000100101110101
3111012012221010110011121
42000201312020211311
54230114214330230
6143222140303541
712653636244625
oct2004166104565
9435187113147
10138006792565
115358a266974
12228b6241bb1
1310024955605
146972a20885
1538cac5177a
hex2021d88975

138006792565 has 16 divisors (see below), whose sum is σ = 166114488960. Its totient is φ = 110068045120.

The previous prime is 138006792563. The next prime is 138006792577. The reversal of 138006792565 is 565297600831.

It is not a de Polignac number, because 138006792565 - 21 = 138006792563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138006792563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8584635 + ... + 8600695.

It is an arithmetic number, because the mean of its divisors is an integer number (10382155560).

Almost surely, 2138006792565 is an apocalyptic number.

It is an amenable number.

138006792565 is a deficient number, since it is larger than the sum of its proper divisors (28107696395).

138006792565 is a wasteful number, since it uses less digits than its factorization.

138006792565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21212.

The product of its (nonzero) digits is 2721600, while the sum is 52.

The spelling of 138006792565 in words is "one hundred thirty-eight billion, six million, seven hundred ninety-two thousand, five hundred sixty-five".

Divisors: 1 5 359 1795 4787 16061 23935 80305 1718533 5765899 8592665 28829495 76884007 384420035 27601358513 138006792565