Base | Representation |
---|---|
bin | 11001011111110110… |
… | …11100001000010001 |
3 | 1022100000021220021100 |
4 | 30233323130020101 |
5 | 211013341402003 |
6 | 10142203015013 |
7 | 663140455113 |
oct | 145773341021 |
9 | 38300256240 |
10 | 13689012753 |
11 | 58950aa989 |
12 | 27a050a469 |
13 | 13a2065060 |
14 | 93c0833b3 |
15 | 551ba3ba3 |
hex | 32fedc211 |
13689012753 has 12 divisors (see below), whose sum is σ = 21294020020. Its totient is φ = 8424007776.
The previous prime is 13689012751. The next prime is 13689012761. The reversal of 13689012753 is 35721098631.
It can be written as a sum of positive squares in 2 ways, for example, as 3550133889 + 10138878864 = 59583^2 + 100692^2 .
It is not a de Polignac number, because 13689012753 - 21 = 13689012751 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13689012699 and 13689012708.
It is not an unprimeable number, because it can be changed into a prime (13689012751) 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, 58499938 + ... + 58500171.
Almost surely, 213689012753 is an apocalyptic number.
13689012753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
13689012753 is a deficient number, since it is larger than the sum of its proper divisors (7605007267).
13689012753 is a wasteful number, since it uses less digits than its factorization.
13689012753 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117000128 (or 117000125 counting only the distinct ones).
The product of its (nonzero) digits is 272160, while the sum is 45.
The spelling of 13689012753 in words is "thirteen billion, six hundred eighty-nine million, twelve thousand, seven hundred fifty-three".
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