Base | Representation |
---|---|
bin | 11001101011101001… |
… | …01000111111111011 |
3 | 1022120220100120111200 |
4 | 30311310220333323 |
5 | 211214200100010 |
6 | 10200054225243 |
7 | 665451106656 |
oct | 146564507773 |
9 | 38526316450 |
10 | 13787893755 |
11 | 59359a7719 |
12 | 2809655223 |
13 | 13b96a641c |
14 | 94b26289d |
15 | 55a6d6cc0 |
hex | 335d28ffb |
13787893755 has 24 divisors (see below), whose sum is σ = 23908561872. Its totient is φ = 7350606144.
The previous prime is 13787893663. The next prime is 13787893759. The reversal of 13787893755 is 55739878731.
It is not a de Polignac number, because 13787893755 - 217 = 13787762683 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13787893692 and 13787893701.
It is not an unprimeable number, because it can be changed into a prime (13787893759) 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, 55152 + ... + 174978.
It is an arithmetic number, because the mean of its divisors is an integer number (996190078).
Almost surely, 213787893755 is an apocalyptic number.
13787893755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
13787893755 is a deficient number, since it is larger than the sum of its proper divisors (10120668117).
13787893755 is a wasteful number, since it uses less digits than its factorization.
13787893755 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 122395 (or 122392 counting only the distinct ones).
The product of its digits is 44452800, while the sum is 63.
The spelling of 13787893755 in words is "thirteen billion, seven hundred eighty-seven million, eight hundred ninety-three thousand, seven hundred fifty-five".
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