Base | Representation |
---|---|
bin | 10010011001100100100… |
… | …111001101011001010011 |
3 | 11110212122210110002020011 |
4 | 102121210213031121103 |
5 | 131204002021310412 |
6 | 2404510003455351 |
7 | 160231134641320 |
oct | 22314447153123 |
9 | 4425583402204 |
10 | 1264408385107 |
11 | 44826163012a |
12 | 185073987557 |
13 | 9230545269a |
14 | 452aa679b47 |
15 | 22d544817a7 |
hex | 126649cd653 |
1264408385107 has 16 divisors (see below), whose sum is σ = 1449394232832. Its totient is φ = 1080516427200.
The previous prime is 1264408385039. The next prime is 1264408385143. The reversal of 1264408385107 is 7015838044621.
It is a de Polignac number, because none of the positive numbers 2k-1264408385107 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1264408385167) 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, 2923548 + ... + 3328054.
It is an arithmetic number, because the mean of its divisors is an integer number (90587139552).
Almost surely, 21264408385107 is an apocalyptic number.
1264408385107 is a deficient number, since it is larger than the sum of its proper divisors (184985847725).
1264408385107 is an equidigital number, since it uses as much as digits as its factorization.
1264408385107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 405858.
The product of its (nonzero) digits is 1290240, while the sum is 49.
The spelling of 1264408385107 in words is "one trillion, two hundred sixty-four billion, four hundred eight million, three hundred eighty-five thousand, one hundred seven".
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