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138541756119927 = 31911369213788119
BaseRepresentation
bin11111100000000011000100…
…001010001111101101110111
3200011112110111012010002000220
4133200003010022033231313
5121124332004031314202
61210353112031505423
741116211603600346
oct3740030412175567
9604473435102026
10138541756119927
114016425760a886
12136563a1988273
135c3c57c144a84
14262d657561b5d
151103bc7db5abc
hex7e00c428fb77

138541756119927 has 16 divisors (see below), whose sum is σ = 194461673952000. Its totient is φ = 87492359715264.

The previous prime is 138541756119913. The next prime is 138541756119929. The reversal of 138541756119927 is 729911657145831.

It is not a de Polignac number, because 138541756119927 - 24 = 138541756119911 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (138541756119929) 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, 106246027 + ... + 107542092.

It is an arithmetic number, because the mean of its divisors is an integer number (12153854622000).

Almost surely, 2138541756119927 is an apocalyptic number.

138541756119927 is a deficient number, since it is larger than the sum of its proper divisors (55919917832073).

138541756119927 is a wasteful number, since it uses less digits than its factorization.

138541756119927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213799510.

The product of its digits is 114307200, while the sum is 69.

The spelling of 138541756119927 in words is "one hundred thirty-eight trillion, five hundred forty-one billion, seven hundred fifty-six million, one hundred nineteen thousand, nine hundred twenty-seven".

Divisors: 1 3 19 57 11369 34107 216011 648033 213788119 641364357 4061974261 12185922783 2430557124911 7291671374733 46180585373309 138541756119927