Base | Representation |
---|---|
bin | 10101100011011111… |
… | …10010101010110011 |
3 | 1002212110211001001120 |
4 | 22301233302222303 |
5 | 142144414431011 |
6 | 5152140433323 |
7 | 556523430114 |
oct | 126157625263 |
9 | 32773731046 |
10 | 11572030131 |
11 | 49a9122572 |
12 | 22ab548843 |
13 | 11255ac30c |
14 | 7bac5620b |
15 | 47add4a06 |
hex | 2b1bf2ab3 |
11572030131 has 8 divisors (see below), whose sum is σ = 15432480000. Its totient is φ = 7713133512.
The previous prime is 11572030091. The next prime is 11572030139. The reversal of 11572030131 is 13103027511.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11572030131 - 27 = 11572030003 is a prime.
It is a super-2 number, since 2×115720301312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (11572030139) 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, 370815 + ... + 400808.
It is an arithmetic number, because the mean of its divisors is an integer number (1929060000).
Almost surely, 211572030131 is an apocalyptic number.
11572030131 is a deficient number, since it is larger than the sum of its proper divisors (3860449869).
11572030131 is an equidigital number, since it uses as much as digits as its factorization.
11572030131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 776625.
The product of its (nonzero) digits is 630, while the sum is 24.
Adding to 11572030131 its reverse (13103027511), we get a palindrome (24675057642).
The spelling of 11572030131 in words is "eleven billion, five hundred seventy-two million, thirty thousand, one hundred thirty-one".
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