Base | Representation |
---|---|
bin | 10111011111010001… |
… | …00101000001100111 |
3 | 1012112211112222002111 |
4 | 23233220211001213 |
5 | 201311220423011 |
6 | 5443151021451 |
7 | 624332002450 |
oct | 135750450147 |
9 | 35484488074 |
10 | 12610326631 |
11 | 5391223051 |
12 | 253b20a887 |
13 | 125c737846 |
14 | 878ad2127 |
15 | 4dc12d121 |
hex | 2efa25067 |
12610326631 has 4 divisors (see below), whose sum is σ = 14411801872. Its totient is φ = 10808851392.
The previous prime is 12610326613. The next prime is 12610326667. The reversal of 12610326631 is 13662301621.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12610326631 - 231 = 10462842983 is a prime.
It is a super-2 number, since 2×126103266312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12610326593 and 12610326602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12610326601) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900737610 + ... + 900737623.
It is an arithmetic number, because the mean of its divisors is an integer number (3602950468).
Almost surely, 212610326631 is an apocalyptic number.
12610326631 is a deficient number, since it is larger than the sum of its proper divisors (1801475241).
12610326631 is an equidigital number, since it uses as much as digits as its factorization.
12610326631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1801475240.
The product of its (nonzero) digits is 7776, while the sum is 31.
The spelling of 12610326631 in words is "twelve billion, six hundred ten million, three hundred twenty-six thousand, six hundred thirty-one".
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