Base | Representation |
---|---|
bin | 10011011110101100… |
… | …00000000010010001 |
3 | 222222211112001210221 |
4 | 21233112000002101 |
5 | 132404220113011 |
6 | 4445422353041 |
7 | 520105205566 |
oct | 115726000221 |
9 | 28884461727 |
10 | 10457972881 |
11 | 44872868a4 |
12 | 203a42b781 |
13 | ca8849145 |
14 | 712cd886d |
15 | 4131c3971 |
hex | 26f580091 |
10457972881 has 2 divisors, whose sum is σ = 10457972882. Its totient is φ = 10457972880.
The previous prime is 10457972873. The next prime is 10457972891. The reversal of 10457972881 is 18827975401.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7261766656 + 3196206225 = 85216^2 + 56535^2 .
It is a cyclic number.
It is not a de Polignac number, because 10457972881 - 23 = 10457972873 is a prime.
It is a super-2 number, since 2×104579728812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (10457972831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5228986440 + 5228986441.
It is an arithmetic number, because the mean of its divisors is an integer number (5228986441).
Almost surely, 210457972881 is an apocalyptic number.
It is an amenable number.
10457972881 is a deficient number, since it is larger than the sum of its proper divisors (1).
10457972881 is an equidigital number, since it uses as much as digits as its factorization.
10457972881 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1128960, while the sum is 52.
The spelling of 10457972881 in words is "ten billion, four hundred fifty-seven million, nine hundred seventy-two thousand, eight hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.083 sec. • engine limits •