Base | Representation |
---|---|
bin | 10111010110101111… |
… | …00011001101011110 |
3 | 1012100211212200202002 |
4 | 23223113203031132 |
5 | 201134410111021 |
6 | 5432113002302 |
7 | 622502435531 |
oct | 135327431536 |
9 | 35324780662 |
10 | 12538753886 |
11 | 535488841a |
12 | 251b253392 |
13 | 124a9681c9 |
14 | 86d3c0a18 |
15 | 4d5be150b |
hex | 2eb5e335e |
12538753886 has 16 divisors (see below), whose sum is σ = 20290239504. Its totient is φ = 5789257344.
The previous prime is 12538753879. The next prime is 12538753919. The reversal of 12538753886 is 68835783521.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3477320 + ... + 3480923.
It is an arithmetic number, because the mean of its divisors is an integer number (1268139969).
Almost surely, 212538753886 is an apocalyptic number.
12538753886 is a deficient number, since it is larger than the sum of its proper divisors (7751485618).
12538753886 is a wasteful number, since it uses less digits than its factorization.
12538753886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6958315.
The product of its digits is 9676800, while the sum is 56.
The spelling of 12538753886 in words is "twelve billion, five hundred thirty-eight million, seven hundred fifty-three thousand, eight hundred eighty-six".
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