Base | Representation |
---|---|
bin | 1011100110000100100101… |
… | …0100111011111001011000 |
3 | 1200010202121100100022000200 |
4 | 2321201021110323321120 |
5 | 3132333310422101022 |
6 | 43040400242502200 |
7 | 2454030333611142 |
oct | 271411124737130 |
9 | 50122540308020 |
10 | 12748693159512 |
11 | 4075765a26992 |
12 | 151a947664960 |
13 | 716272c37b3b |
14 | 32107bc31c92 |
15 | 171951c7abac |
hex | b984953be58 |
12748693159512 has 96 divisors (see below), whose sum is σ = 34647301568880. Its totient is φ = 4234851210240.
The previous prime is 12748693159453. The next prime is 12748693159529. The reversal of 12748693159512 is 21595139684721.
It is a happy number.
12748693159512 is a `hidden beast` number, since 1 + 2 + 7 + 4 + 8 + 6 + 9 + 31 + 595 + 1 + 2 = 666.
12748693159512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×127486931595122 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12748693159512.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112253668 + ... + 112367180.
Almost surely, 212748693159512 is an apocalyptic number.
12748693159512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12748693159512 is an abundant number, since it is smaller than the sum of its proper divisors (21898608409368).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12748693159512 is a wasteful number, since it uses less digits than its factorization.
12748693159512 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118913 (or 118906 counting only the distinct ones).
The product of its digits is 32659200, while the sum is 63.
The spelling of 12748693159512 in words is "twelve trillion, seven hundred forty-eight billion, six hundred ninety-three million, one hundred fifty-nine thousand, five hundred twelve".
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