Base | Representation |
---|---|
bin | 11000011011000000… |
… | …11010001001110001 |
3 | 1020211202121021122220 |
4 | 30031200122021301 |
5 | 203323021021200 |
6 | 10005012551253 |
7 | 642625631451 |
oct | 141540321161 |
9 | 36752537586 |
10 | 13111501425 |
11 | 56191120a0 |
12 | 265b022529 |
13 | 130c511589 |
14 | 8c54b1d61 |
15 | 51b1294a0 |
hex | 30d81a271 |
13111501425 has 24 divisors (see below), whose sum is σ = 23648382240. Its totient is φ = 6357091200.
The previous prime is 13111501423. The next prime is 13111501439. The reversal of 13111501425 is 52410511131.
It is not a de Polignac number, because 13111501425 - 21 = 13111501423 is a prime.
It is a super-2 number, since 2×131115014252 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13111501395 and 13111501404.
It is not an unprimeable number, because it can be changed into a prime (13111501423) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7945540 + ... + 7947189.
It is an arithmetic number, because the mean of its divisors is an integer number (985349260).
Almost surely, 213111501425 is an apocalyptic number.
13111501425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13111501425 is a deficient number, since it is larger than the sum of its proper divisors (10536880815).
13111501425 is a wasteful number, since it uses less digits than its factorization.
13111501425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15892753 (or 15892748 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 24.
The spelling of 13111501425 in words is "thirteen billion, one hundred eleven million, five hundred one thousand, four hundred twenty-five".
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