Base | Representation |
---|---|
bin | 11001011000111110… |
… | …01000000001000110 |
3 | 1022011222121200121010 |
4 | 30230133020001012 |
5 | 210404100234234 |
6 | 10132341103050 |
7 | 661536533664 |
oct | 145437100106 |
9 | 38158550533 |
10 | 13631258694 |
11 | 5865543459 |
12 | 27850b7a86 |
13 | 13930c3461 |
14 | 93452bc34 |
15 | 54ba966e9 |
hex | 32c7c8046 |
13631258694 has 8 divisors (see below), whose sum is σ = 27262517400. Its totient is φ = 4543752896.
The previous prime is 13631258681. The next prime is 13631258747. The reversal of 13631258694 is 49685213631.
It is a sphenic number, since it is the product of 3 distinct primes.
13631258694 is an admirable number.
It is a super-2 number, since 2×136312586942 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135938219 + ... + 1135938230.
It is an arithmetic number, because the mean of its divisors is an integer number (3407814675).
Almost surely, 213631258694 is an apocalyptic number.
13631258694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13631258694 is a wasteful number, since it uses less digits than its factorization.
13631258694 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2271876454.
The product of its digits is 933120, while the sum is 48.
The spelling of 13631258694 in words is "thirteen billion, six hundred thirty-one million, two hundred fifty-eight thousand, six hundred ninety-four".
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