Base | Representation |
---|---|
bin | 111111000000100… |
… | …001100101101001 |
3 | 2201200010100120210 |
4 | 333000201211221 |
5 | 4131104232220 |
6 | 252521211333 |
7 | 35124135366 |
oct | 7700414551 |
9 | 2650110523 |
10 | 1057102185 |
11 | 4a2785577 |
12 | 256030b49 |
13 | 13b011169 |
14 | a057346d |
15 | 62c106e0 |
hex | 3f021969 |
1057102185 has 16 divisors (see below), whose sum is σ = 1692800640. Its totient is φ = 563308800.
The previous prime is 1057102181. The next prime is 1057102187. The reversal of 1057102185 is 5812017501.
It is not a de Polignac number, because 1057102185 - 22 = 1057102181 is a prime.
It is a super-2 number, since 2×10571021852 = 2234930059063548450, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1057102181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11325 + ... + 47354.
It is an arithmetic number, because the mean of its divisors is an integer number (105800040).
Almost surely, 21057102185 is an apocalyptic number.
1057102185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1057102185 is a deficient number, since it is larger than the sum of its proper divisors (635698455).
1057102185 is a wasteful number, since it uses less digits than its factorization.
1057102185 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59888.
The product of its (nonzero) digits is 2800, while the sum is 30.
The square root of 1057102185 is about 32513.1078951244. The cubic root of 1057102185 is about 1018.6828394382.
Adding to 1057102185 its reverse (5812017501), we get a palindrome (6869119686).
The spelling of 1057102185 in words is "one billion, fifty-seven million, one hundred two thousand, one hundred eighty-five".
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