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13144516137 = 3567937963
BaseRepresentation
bin11000011110111100…
…10110011000101001
31020221001201121100000
430033132112120221
5203404444004022
610012152333213
7643506354324
oct141736263051
936831647300
1013144516137
115635811585
12266a0a4209
1313163007cc
148c9a277bb
1551de9b6ac
hex30f796629

13144516137 has 24 divisors (see below), whose sum is σ = 19695099424. Its totient is φ = 8760620448.

The previous prime is 13144516111. The next prime is 13144516153. The reversal of 13144516137 is 73161544131.

13144516137 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 4 + 516 + 137 = 666.

It is not a de Polignac number, because 13144516137 - 212 = 13144512041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13144516157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1646718 + ... + 1654680.

Almost surely, 213144516137 is an apocalyptic number.

It is an amenable number.

13144516137 is a deficient number, since it is larger than the sum of its proper divisors (6550583287).

13144516137 is an frugal number, since it uses more digits than its factorization.

13144516137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14771 (or 14759 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The spelling of 13144516137 in words is "thirteen billion, one hundred forty-four million, five hundred sixteen thousand, one hundred thirty-seven".

Divisors: 1 3 9 27 81 243 6793 7963 20379 23889 61137 71667 183411 215001 550233 645003 1650699 1935009 54092659 162277977 486833931 1460501793 4381505379 13144516137