Base | Representation |
---|---|
bin | 1011010111100100… |
… | …0101111100000111 |
3 | 21212200012111201011 |
4 | 2311321011330013 |
5 | 22222210031011 |
6 | 1222451143051 |
7 | 135423351202 |
oct | 26571057407 |
9 | 7780174634 |
10 | 3051642631 |
11 | 1326633304 |
12 | 711ba4a87 |
13 | 3982c64cb |
14 | 20d40a939 |
15 | 12cd95621 |
hex | b5e45f07 |
3051642631 has 4 divisors (see below), whose sum is σ = 3078648432. Its totient is φ = 3024636832.
The previous prime is 3051642623. The next prime is 3051642667. The reversal of 3051642631 is 1362461503.
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 3051642631 - 23 = 3051642623 is a prime.
It is a super-2 number, since 2×30516426312 = 18625045494673204322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 3051642593 and 3051642602.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3351642631) 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, 13502731 + ... + 13502956.
It is an arithmetic number, because the mean of its divisors is an integer number (769662108).
Almost surely, 23051642631 is an apocalyptic number.
3051642631 is a deficient number, since it is larger than the sum of its proper divisors (27005801).
3051642631 is a wasteful number, since it uses less digits than its factorization.
3051642631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27005800.
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 3051642631 is about 55241.6747664297. The cubic root of 3051642631 is about 1450.4782617355.
The spelling of 3051642631 in words is "three billion, fifty-one million, six hundred forty-two thousand, six hundred thirty-one".
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