Base | Representation |
---|---|
bin | 1111100011111… |
… | …10101110110000 |
3 | 100002122020122212 |
4 | 13301332232300 |
5 | 231404330022 |
6 | 20541551252 |
7 | 3143410262 |
oct | 761765660 |
9 | 302566585 |
10 | 130542512 |
11 | 67762581 |
12 | 37875528 |
13 | 210786b9 |
14 | 134a1b32 |
15 | b6d93e2 |
hex | 7c7ebb0 |
130542512 has 20 divisors (see below), whose sum is σ = 259763136. Its totient is φ = 63506880.
The previous prime is 130542499. The next prime is 130542557. The reversal of 130542512 is 215245031.
It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109664 + ... + 110847.
Almost surely, 2130542512 is an apocalyptic number.
It is an amenable number.
130542512 is a deficient number, since it is larger than the sum of its proper divisors (129220624).
130542512 is a wasteful number, since it uses less digits than its factorization.
130542512 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 220556 (or 220550 counting only the distinct ones).
The product of its (nonzero) digits is 1200, while the sum is 23.
The square root of 130542512 is about 11425.5202069753. The cubic root of 130542512 is about 507.2834048671.
Adding to 130542512 its reverse (215245031), we get a palindrome (345787543).
The spelling of 130542512 in words is "one hundred thirty million, five hundred forty-two thousand, five hundred twelve".
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