Base | Representation |
---|---|
bin | 11110110100001110100… |
… | …01001100101110000101 |
3 | 10202020000210001120021202 |
4 | 33122013101030232011 |
5 | 114321441313400100 |
6 | 2130230451152245 |
7 | 136332554203202 |
oct | 17320721145605 |
9 | 3666023046252 |
10 | 1058831387525 |
11 | 37905879511a |
12 | 1512605a5685 |
13 | 78b028a0c52 |
14 | 39367a1aca9 |
15 | 1c8215cd7d5 |
hex | f68744cb85 |
1058831387525 has 6 divisors (see below), whose sum is σ = 1312950920562. Its totient is φ = 847065110000.
The previous prime is 1058831387521. The next prime is 1058831387561. The reversal of 1058831387525 is 5257831388501.
1058831387525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 3 ways, for example, as 81631918369 + 977199469156 = 285713^2 + 988534^2 .
It is not a de Polignac number, because 1058831387525 - 22 = 1058831387521 is a prime.
It is a super-2 number, since 2×10588313875252 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1058831387521) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21176627726 + ... + 21176627775.
It is an arithmetic number, because the mean of its divisors is an integer number (218825153427).
Almost surely, 21058831387525 is an apocalyptic number.
It is an amenable number.
1058831387525 is a deficient number, since it is larger than the sum of its proper divisors (254119533037).
1058831387525 is an equidigital number, since it uses as much as digits as its factorization.
1058831387525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42353255511 (or 42353255506 counting only the distinct ones).
The product of its (nonzero) digits is 8064000, while the sum is 56.
The spelling of 1058831387525 in words is "one trillion, fifty-eight billion, eight hundred thirty-one million, three hundred eighty-seven thousand, five hundred twenty-five".
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