Base | Representation |
---|---|
bin | 11000101100001000… |
… | …11111011010101001 |
3 | 1021012202221210201201 |
4 | 30112010133122221 |
5 | 204121311143042 |
6 | 10031144244201 |
7 | 646322103343 |
oct | 142604373251 |
9 | 37182853651 |
10 | 13255177897 |
11 | 5692225385 |
12 | 269b170661 |
13 | 1333208140 |
14 | 8da5d2293 |
15 | 528a5a1b7 |
hex | 31611f6a9 |
13255177897 has 8 divisors (see below), whose sum is σ = 14275852416. Its totient is φ = 12234652752.
The previous prime is 13255177891. The next prime is 13255177951. The reversal of 13255177897 is 79877155231.
13255177897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13255177897 - 23 = 13255177889 is a prime.
It is a super-2 number, since 2×132551778972 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13255177891) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205488 + ... + 262174.
It is an arithmetic number, because the mean of its divisors is an integer number (1784481552).
Almost surely, 213255177897 is an apocalyptic number.
It is an amenable number.
13255177897 is a deficient number, since it is larger than the sum of its proper divisors (1020674519).
13255177897 is a wasteful number, since it uses less digits than its factorization.
13255177897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74687.
The product of its digits is 3704400, while the sum is 55.
The spelling of 13255177897 in words is "thirteen billion, two hundred fifty-five million, one hundred seventy-seven thousand, eight hundred ninety-seven".
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