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137508553893 = 3313074816243
BaseRepresentation
bin1000000000010000100…
…1100000010010100101
3111010221012121022012110
42000010021200102211
54223104142211033
6143100501311233
712635406265014
oct2000411402245
9433835538173
10137508553893
1153353aa2877
1222797405519
13cc75669129
1469267a6a7b
15389c135363
hex20042604a5

137508553893 has 16 divisors (see below), whose sum is σ = 189875603456. Its totient is φ = 88426203120.

The previous prime is 137508553883. The next prime is 137508553907. The reversal of 137508553893 is 398355805731.

It is not a de Polignac number, because 137508553893 - 210 = 137508552869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (137508553813) 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, 2379571 + ... + 2436672.

It is an arithmetic number, because the mean of its divisors is an integer number (11867225216).

Almost surely, 2137508553893 is an apocalyptic number.

It is an amenable number.

137508553893 is a deficient number, since it is larger than the sum of its proper divisors (52367049563).

137508553893 is a wasteful number, since it uses less digits than its factorization.

137508553893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816584.

The product of its (nonzero) digits is 13608000, while the sum is 57.

The spelling of 137508553893 in words is "one hundred thirty-seven billion, five hundred eight million, five hundred fifty-three thousand, eight hundred ninety-three".

Divisors: 1 3 31 93 307 921 9517 28551 4816243 14448729 149303533 447910599 1478586601 4435759803 45836184631 137508553893