Base | Representation |
---|---|
bin | 1111100100000… |
… | …00110101100010 |
3 | 100002122200111100 |
4 | 13302000311202 |
5 | 231410114023 |
6 | 20542055230 |
7 | 3143444364 |
oct | 762006542 |
9 | 302580440 |
10 | 130551138 |
11 | 67769003 |
12 | 3787a516 |
13 | 2107c5c3 |
14 | 134a4d34 |
15 | b6dbc43 |
hex | 7c80d62 |
130551138 has 24 divisors (see below), whose sum is σ = 283424076. Its totient is φ = 43430400.
The previous prime is 130551107. The next prime is 130551149. The reversal of 130551138 is 831155031.
It can be written as a sum of positive squares in 2 ways, for example, as 130028409 + 522729 = 11403^2 + 723^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2418 + ... + 16338.
Almost surely, 2130551138 is an apocalyptic number.
130551138 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
130551138 is an abundant number, since it is smaller than the sum of its proper divisors (152872938).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130551138 is a wasteful number, since it uses less digits than its factorization.
130551138 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14450 (or 14447 counting only the distinct ones).
The product of its (nonzero) digits is 1800, while the sum is 27.
The square root of 130551138 is about 11425.8976890221. The cubic root of 130551138 is about 507.2945780607.
The spelling of 130551138 in words is "one hundred thirty million, five hundred fifty-one thousand, one hundred thirty-eight".
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