Base | Representation |
---|---|
bin | 100111000111101… |
… | …1111111111100110 |
3 | 10101111001100202000 |
4 | 1032033133333212 |
5 | 10142021423204 |
6 | 334131230130 |
7 | 44346435021 |
oct | 11617377746 |
9 | 3344040660 |
10 | 1312686054 |
11 | 613a82509 |
12 | 307748346 |
13 | 17bc5a314 |
14 | c64a41b8 |
15 | 7a399039 |
hex | 4e3dffe6 |
1312686054 has 32 divisors (see below), whose sum is σ = 2919507840. Its totient is φ = 437197896.
The previous prime is 1312686047. The next prime is 1312686091. The reversal of 1312686054 is 4506862131.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59809 + ... + 78755.
It is an arithmetic number, because the mean of its divisors is an integer number (91234620).
Almost surely, 21312686054 is an apocalyptic number.
1312686054 is an abundant number, since it is smaller than the sum of its proper divisors (1606821786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1312686054 is a wasteful number, since it uses less digits than its factorization.
1312686054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20241 (or 20235 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 1312686054 is about 36231.0095636321. The cubic root of 1312686054 is about 1094.9315175786.
The spelling of 1312686054 in words is "one billion, three hundred twelve million, six hundred eighty-six thousand, fifty-four".
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