Base | Representation |
---|---|
bin | 1011100011111111000010… |
… | …1111101001100110011100 |
3 | 1200000100002011221111221122 |
4 | 2320333300233221212130 |
5 | 3131241402344024433 |
6 | 43012111300350112 |
7 | 2451321130456601 |
oct | 270776057514634 |
9 | 50010064844848 |
10 | 12712847251868 |
11 | 4061540939a25 |
12 | 1513a029a5338 |
13 | 712a7c6a97ba |
14 | 31d43b24a6a8 |
15 | 170a54d06198 |
hex | b8ff0be999c |
12712847251868 has 24 divisors (see below), whose sum is σ = 22363944960000. Its totient is φ = 6323162023728.
The previous prime is 12712847251861. The next prime is 12712847251933. The reversal of 12712847251868 is 86815274821721.
It is a self number, because there is not a number n which added to its sum of digits gives 12712847251868.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12712847251861) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2156021 + ... + 5483987.
It is an arithmetic number, because the mean of its divisors is an integer number (931831040000).
Almost surely, 212712847251868 is an apocalyptic number.
It is an amenable number.
12712847251868 is a deficient number, since it is larger than the sum of its proper divisors (9651097708132).
12712847251868 is a wasteful number, since it uses less digits than its factorization.
12712847251868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3332969 (or 3332967 counting only the distinct ones).
The product of its digits is 24084480, while the sum is 62.
The spelling of 12712847251868 in words is "twelve trillion, seven hundred twelve billion, eight hundred forty-seven million, two hundred fifty-one thousand, eight hundred sixty-eight".
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