Base | Representation |
---|---|
bin | 10111010111011100… |
… | …11011101000001101 |
3 | 1012101021011102210200 |
4 | 23223232123220031 |
5 | 201142424032031 |
6 | 5432445324113 |
7 | 622604430255 |
oct | 135356335015 |
9 | 35337142720 |
10 | 12544752141 |
11 | 5358204a59 |
12 | 2521266639 |
13 | 124bc8847c |
14 | 870102965 |
15 | 4d64c88e6 |
hex | 2ebb9ba0d |
12544752141 has 12 divisors (see below), whose sum is σ = 18121431900. Its totient is φ = 8362598400.
The previous prime is 12544752137. The next prime is 12544752173. The reversal of 12544752141 is 14125744521.
12544752141 is a `hidden beast` number, since 1 + 2 + 54 + 47 + 521 + 41 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 8617223241 + 3927528900 = 92829^2 + 62670^2 .
It is not a de Polignac number, because 12544752141 - 22 = 12544752137 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12544752096 and 12544752105.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12544756141) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124941 + ... + 201741.
It is an arithmetic number, because the mean of its divisors is an integer number (1510119325).
Almost surely, 212544752141 is an apocalyptic number.
It is an amenable number.
12544752141 is a deficient number, since it is larger than the sum of its proper divisors (5576679759).
12544752141 is a wasteful number, since it uses less digits than its factorization.
12544752141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94956 (or 94953 counting only the distinct ones).
The product of its digits is 44800, while the sum is 36.
The spelling of 12544752141 in words is "twelve billion, five hundred forty-four million, seven hundred fifty-two thousand, one hundred forty-one".
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