Base | Representation |
---|---|
bin | 10111001111110110… |
… | …10010110000010111 |
3 | 1012012211020020121200 |
4 | 23213323102300113 |
5 | 201030114433212 |
6 | 5422251243543 |
7 | 621201606162 |
oct | 134773226027 |
9 | 35184206550 |
10 | 12481014807 |
11 | 5325231178 |
12 | 2503a495b3 |
13 | 123ba00381 |
14 | 865870ad9 |
15 | 4d0ad86dc |
hex | 2e7ed2c17 |
12481014807 has 12 divisors (see below), whose sum is σ = 18193529640. Its totient is φ = 8244339408.
The previous prime is 12481014761. The next prime is 12481014839. The reversal of 12481014807 is 70841018421.
It is not a de Polignac number, because 12481014807 - 26 = 12481014743 is a prime.
It is a super-2 number, since 2×124810148072 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12481012807) 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, 6360393 + ... + 6362354.
It is an arithmetic number, because the mean of its divisors is an integer number (1516127470).
Almost surely, 212481014807 is an apocalyptic number.
12481014807 is a deficient number, since it is larger than the sum of its proper divisors (5712514833).
12481014807 is a wasteful number, since it uses less digits than its factorization.
12481014807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12722862 (or 12722859 counting only the distinct ones).
The product of its (nonzero) digits is 14336, while the sum is 36.
The spelling of 12481014807 in words is "twelve billion, four hundred eighty-one million, fourteen thousand, eight hundred seven".
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