Base | Representation |
---|---|
bin | 1011111001110011111001… |
… | …1100011111100110011111 |
3 | 1201100011221012011112001210 |
4 | 2332130332130133212133 |
5 | 3203412320112222100 |
6 | 43500242554035503 |
7 | 2520364131013332 |
oct | 276347634374637 |
9 | 51304835145053 |
10 | 13087813007775 |
11 | 41965682761a0 |
12 | 157460a118b93 |
13 | 73c23868194c |
14 | 33364c6b0619 |
15 | 17a69da15c50 |
hex | be73e71f99f |
13087813007775 has 192 divisors, whose sum is σ = 23949904822272. Its totient is φ = 6253915200000.
The previous prime is 13087813007767. The next prime is 13087813007791. The reversal of 13087813007775 is 57770031878031.
It is not a de Polignac number, because 13087813007775 - 23 = 13087813007767 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 12335355745 + ... + 12335356805.
It is an arithmetic number, because the mean of its divisors is an integer number (124739087616).
Almost surely, 213087813007775 is an apocalyptic number.
13087813007775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13087813007775 is a deficient number, since it is larger than the sum of its proper divisors (10862091814497).
13087813007775 is a wasteful number, since it uses less digits than its factorization.
13087813007775 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1894 (or 1889 counting only the distinct ones).
The product of its (nonzero) digits is 6914880, while the sum is 57.
The spelling of 13087813007775 in words is "thirteen trillion, eighty-seven billion, eight hundred thirteen million, seven thousand, seven hundred seventy-five".
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