Base | Representation |
---|---|
bin | 1111001001001011… |
… | …01110001101001011 |
3 | 202222121010220020020 |
4 | 13210211232031023 |
5 | 113122243424011 |
6 | 3422423231523 |
7 | 405320244063 |
oct | 74445561513 |
9 | 22877126206 |
10 | 8130061131 |
11 | 34a2231295 |
12 | 16aa8a85a3 |
13 | 9c748067a |
14 | 571a823a3 |
15 | 328b3c006 |
hex | 1e496e34b |
8130061131 has 8 divisors (see below), whose sum is σ = 10855955520. Its totient is φ = 5412103752.
The previous prime is 8130061123. The next prime is 8130061133. The reversal of 8130061131 is 1311600318.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 8130061131 - 23 = 8130061123 is a prime.
It is a super-2 number, since 2×81300611312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (8130061133) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1981861 + ... + 1985958.
It is an arithmetic number, because the mean of its divisors is an integer number (1356994440).
Almost surely, 28130061131 is an apocalyptic number.
8130061131 is a deficient number, since it is larger than the sum of its proper divisors (2725894389).
8130061131 is a wasteful number, since it uses less digits than its factorization.
8130061131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3968505.
The product of its (nonzero) digits is 432, while the sum is 24.
The square root of 8130061131 is about 90166.8516196501. The cubic root of 8130061131 is about 2010.7802166477.
Adding to 8130061131 its reverse (1311600318), we get a palindrome (9441661449).
The spelling of 8130061131 in words is "eight billion, one hundred thirty million, sixty-one thousand, one hundred thirty-one".
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