Base | Representation |
---|---|
bin | 1111100011001… |
… | …10011010001000 |
3 | 100002110012000002 |
4 | 13301212122020 |
5 | 231343133023 |
6 | 20535502132 |
7 | 3142513652 |
oct | 761463210 |
9 | 302405002 |
10 | 130442888 |
11 | 676a4744 |
12 | 37827948 |
13 | 21042254 |
14 | 134776d2 |
15 | b6b9b28 |
hex | 7c66688 |
130442888 has 16 divisors (see below), whose sum is σ = 248590860. Its totient is φ = 64152000.
The previous prime is 130442863. The next prime is 130442909. The reversal of 130442888 is 888244031.
It can be written as a sum of positive squares in 2 ways, for example, as 114105124 + 16337764 = 10682^2 + 4042^2 .
It is an unprimeable number.
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 in 3 ways as a sum of consecutive naturals, for example, 133163 + ... + 134138.
Almost surely, 2130442888 is an apocalyptic number.
It is an amenable number.
130442888 is a deficient number, since it is larger than the sum of its proper divisors (118147972).
130442888 is a wasteful number, since it uses less digits than its factorization.
130442888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 267368 (or 267364 counting only the distinct ones).
The product of its (nonzero) digits is 49152, while the sum is 38.
The square root of 130442888 is about 11421.1596609101. The cubic root of 130442888 is about 507.1543269584.
The spelling of 130442888 in words is "one hundred thirty million, four hundred forty-two thousand, eight hundred eighty-eight".
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