Base | Representation |
---|---|
bin | 1111100001110… |
… | …01001010010011 |
3 | 100002002202202220 |
4 | 13300321022103 |
5 | 231321220210 |
6 | 20531512123 |
7 | 3141112431 |
oct | 760711223 |
9 | 302082686 |
10 | 130257555 |
11 | 6758847a |
12 | 37758643 |
13 | 20ca8a9c |
14 | 13429d51 |
15 | b67ec70 |
hex | 7c39293 |
130257555 has 16 divisors (see below), whose sum is σ = 209567904. Its totient is φ = 69085440.
The previous prime is 130257551. The next prime is 130257557. The reversal of 130257555 is 555752031.
It is not a de Polignac number, because 130257555 - 22 = 130257551 is a prime.
It is not an unprimeable number, because it can be changed into a prime (130257551) 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, 21274 + ... + 26703.
It is an arithmetic number, because the mean of its divisors is an integer number (13097994).
Almost surely, 2130257555 is an apocalyptic number.
130257555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
130257555 is a deficient number, since it is larger than the sum of its proper divisors (79310349).
130257555 is a wasteful number, since it uses less digits than its factorization.
130257555 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 48166.
The product of its (nonzero) digits is 26250, while the sum is 33.
The square root of 130257555 is about 11413.0431962733. The cubic root of 130257555 is about 506.9140251572.
The spelling of 130257555 in words is "one hundred thirty million, two hundred fifty-seven thousand, five hundred fifty-five".
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