Base | Representation |
---|---|
bin | 10011001101001110… |
… | …10111011010100001 |
3 | 222121121222000010220 |
4 | 21212213113122201 |
5 | 132104222431040 |
6 | 4423111513253 |
7 | 513346363050 |
oct | 114647273241 |
9 | 28547860126 |
10 | 10311530145 |
11 | 4411654244 |
12 | 1bb9388829 |
13 | c843c4437 |
14 | 6db698397 |
15 | 4053e82d0 |
hex | 2669d76a1 |
10311530145 has 64 divisors (see below), whose sum is σ = 19797073920. Its totient is φ = 4483277568.
The previous prime is 10311530143. The next prime is 10311530153. The reversal of 10311530145 is 54103511301.
It is not a de Polignac number, because 10311530145 - 21 = 10311530143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (10311530143) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 178744 + ... + 229286.
It is an arithmetic number, because the mean of its divisors is an integer number (309329280).
Almost surely, 210311530145 is an apocalyptic number.
10311530145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10311530145 is a deficient number, since it is larger than the sum of its proper divisors (9485543775).
10311530145 is a wasteful number, since it uses less digits than its factorization.
10311530145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50654.
The product of its (nonzero) digits is 900, while the sum is 24.
The spelling of 10311530145 in words is "ten billion, three hundred eleven million, five hundred thirty thousand, one hundred forty-five".
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