Base | Representation |
---|---|
bin | 1111100011010… |
… | …10000010101100 |
3 | 100002110221102100 |
4 | 13301222002230 |
5 | 231344122042 |
6 | 20540055100 |
7 | 3142605234 |
oct | 761520254 |
9 | 302427370 |
10 | 130457772 |
11 | 67704945 |
12 | 37834490 |
13 | 21048c63 |
14 | 1347ccc4 |
15 | b6be24c |
hex | 7c6a0ac |
130457772 has 36 divisors (see below), whose sum is σ = 335179936. Its totient is φ = 42772320.
The previous prime is 130457699. The next prime is 130457783. The reversal of 130457772 is 277754031.
130457772 is a `hidden beast` number, since 13 + 0 + 4 + 577 + 72 = 666.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
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 11 ways as a sum of consecutive naturals, for example, 27508 + ... + 31899.
Almost surely, 2130457772 is an apocalyptic number.
130457772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
130457772 is an abundant number, since it is smaller than the sum of its proper divisors (204722164).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130457772 is a wasteful number, since it uses less digits than its factorization.
130457772 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59478 (or 59473 counting only the distinct ones).
The product of its (nonzero) digits is 41160, while the sum is 36.
The square root of 130457772 is about 11421.8112399041. The cubic root of 130457772 is about 507.1736155989.
The spelling of 130457772 in words is "one hundred thirty million, four hundred fifty-seven thousand, seven hundred seventy-two".
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