Base | Representation |
---|---|
bin | 10111111111000001… |
… | …01000000111111111 |
3 | 1020020101201222222100 |
4 | 23333200220013333 |
5 | 202332412141011 |
6 | 5525423520143 |
7 | 634044645126 |
oct | 137740500777 |
9 | 36211658870 |
10 | 12876677631 |
11 | 5508604544 |
12 | 25b4459053 |
13 | 12a298379c |
14 | 8a2226abd |
15 | 5056e1d56 |
hex | 2ff8281ff |
12876677631 has 6 divisors (see below), whose sum is σ = 18599645480. Its totient is φ = 8584451748.
The previous prime is 12876677629. The next prime is 12876677683. The reversal of 12876677631 is 13677667821.
It is not a de Polignac number, because 12876677631 - 21 = 12876677629 is a prime.
It is a super-2 number, since 2×128766776312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12876677621) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 715370971 + ... + 715370988.
Almost surely, 212876677631 is an apocalyptic number.
12876677631 is a deficient number, since it is larger than the sum of its proper divisors (5722967849).
12876677631 is a wasteful number, since it uses less digits than its factorization.
12876677631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1430741965 (or 1430741962 counting only the distinct ones).
The product of its digits is 3556224, while the sum is 54.
The spelling of 12876677631 in words is "twelve billion, eight hundred seventy-six million, six hundred seventy-seven thousand, six hundred thirty-one".
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