Base | Representation |
---|---|
bin | 10011000100001001010… |
… | …100001001000100000111 |
3 | 11122020122121100202222200 |
4 | 103010021110021010013 |
5 | 132431112023101411 |
6 | 2441510022125543 |
7 | 163440012211332 |
oct | 23041124110407 |
9 | 4566577322880 |
10 | 1310121300231 |
11 | 46568a356927 |
12 | 191ab0b808b3 |
13 | 9670bc755a3 |
14 | 475a5885619 |
15 | 2412c793e56 |
hex | 13109509107 |
1310121300231 has 12 divisors (see below), whose sum is σ = 1892440616352. Its totient is φ = 873394269696.
The previous prime is 1310121300167. The next prime is 1310121300247. The reversal of 1310121300231 is 1320031210131.
1310121300231 is a `hidden beast` number, since 1 + 3 + 10 + 121 + 300 + 231 = 666.
It is not a de Polignac number, because 1310121300231 - 26 = 1310121300167 is a prime.
It is a super-2 number, since 2×13101213002312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1310121300031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1238911 + ... + 2038416.
It is an arithmetic number, because the mean of its divisors is an integer number (157703384696).
Almost surely, 21310121300231 is an apocalyptic number.
1310121300231 is a deficient number, since it is larger than the sum of its proper divisors (582319316121).
1310121300231 is a wasteful number, since it uses less digits than its factorization.
1310121300231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3321750 (or 3321747 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 1310121300231 its reverse (1320031210131), we get a palindrome (2630152510362).
The spelling of 1310121300231 in words is "one trillion, three hundred ten billion, one hundred twenty-one million, three hundred thousand, two hundred thirty-one".
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