Base | Representation |
---|---|
bin | 1111100100001… |
… | …11011010000100 |
3 | 100002201001102011 |
4 | 13302013122010 |
5 | 231411444202 |
6 | 20542424004 |
7 | 3143616013 |
oct | 762073204 |
9 | 302631364 |
10 | 130578052 |
11 | 67787250 |
12 | 37892004 |
13 | 2108b927 |
14 | 134b0a7a |
15 | b6e4bd7 |
hex | 7c87684 |
130578052 has 24 divisors (see below), whose sum is σ = 251762112. Its totient is φ = 58764000.
The previous prime is 130578047. The next prime is 130578053. The reversal of 130578052 is 250875031.
It is a super-2 number, since 2×1305780522 = 34101255328229408, which contains 22 as substring.
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (130578053) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 10248 + ... + 19135.
It is an arithmetic number, because the mean of its divisors is an integer number (10490088).
Almost surely, 2130578052 is an apocalyptic number.
It is an amenable number.
130578052 is a deficient number, since it is larger than the sum of its proper divisors (121184060).
130578052 is a wasteful number, since it uses less digits than its factorization.
130578052 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29499 (or 29497 counting only the distinct ones).
The product of its (nonzero) digits is 8400, while the sum is 31.
The square root of 130578052 is about 11427.0753913676. The cubic root of 130578052 is about 507.3294364014.
The spelling of 130578052 in words is "one hundred thirty million, five hundred seventy-eight thousand, fifty-two".
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