Base | Representation |
---|---|
bin | 111110111000100… |
… | …111111101011011 |
3 | 2201112020010122002 |
4 | 332320213331123 |
5 | 4130041444011 |
6 | 252404551215 |
7 | 35100421340 |
oct | 7670477533 |
9 | 2645203562 |
10 | 1055031131 |
11 | 4a15a0560 |
12 | 2553b250b |
13 | 13a76759b |
14 | a01947c7 |
15 | 62951c3b |
hex | 3ee27f5b |
1055031131 has 8 divisors (see below), whose sum is σ = 1315363584. Its totient is φ = 822102120.
The previous prime is 1055031127. The next prime is 1055031139. The reversal of 1055031131 is 1311305501.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1055031131 - 22 = 1055031127 is a prime.
It is a super-2 number, since 2×10550311312 = 2226181374758278322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1055031139) 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, 6850775 + ... + 6850928.
It is an arithmetic number, because the mean of its divisors is an integer number (164420448).
Almost surely, 21055031131 is an apocalyptic number.
1055031131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1055031131 is a deficient number, since it is larger than the sum of its proper divisors (260332453).
1055031131 is a wasteful number, since it uses less digits than its factorization.
1055031131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13701721.
The product of its (nonzero) digits is 225, while the sum is 20.
The square root of 1055031131 is about 32481.2427563971. The cubic root of 1055031131 is about 1018.0171433202.
Adding to 1055031131 its reverse (1311305501), we get a palindrome (2366336632).
The spelling of 1055031131 in words is "one billion, fifty-five million, thirty-one thousand, one hundred thirty-one".
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