Base | Representation |
---|---|
bin | 1011110010001110100100… |
… | …0011111000010000001111 |
3 | 1200212201122122110211012210 |
4 | 2330203221003320100033 |
5 | 3144244011024113121 |
6 | 43320335140401503 |
7 | 2505102465153534 |
oct | 274435103702017 |
9 | 50781578424183 |
10 | 12957531472911 |
11 | 4146292794823 |
12 | 155330b0a6293 |
13 | 72cb75375c4c |
14 | 32b20da7ad8b |
15 | 1770c60de876 |
hex | bc8e90f840f |
12957531472911 has 16 divisors (see below), whose sum is σ = 17537891702528. Its totient is φ = 8507811628800.
The previous prime is 12957531472861. The next prime is 12957531472927. The reversal of 12957531472911 is 11927413575921.
It is not a de Polignac number, because 12957531472911 - 210 = 12957531471887 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 (12957531472511) 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, 5042035 + ... + 7164996.
It is an arithmetic number, because the mean of its divisors is an integer number (1096118231408).
Almost surely, 212957531472911 is an apocalyptic number.
12957531472911 is a deficient number, since it is larger than the sum of its proper divisors (4580360229617).
12957531472911 is a wasteful number, since it uses less digits than its factorization.
12957531472911 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12212382.
The product of its digits is 4762800, while the sum is 57.
The spelling of 12957531472911 in words is "twelve trillion, nine hundred fifty-seven billion, five hundred thirty-one million, four hundred seventy-two thousand, nine hundred eleven".
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