Base | Representation |
---|---|
bin | 11011110110001001100… |
… | …011110010011101111100 |
3 | 20202221020212100220220210 |
4 | 123312021203302131330 |
5 | 222322441441311233 |
6 | 4023025305512420 |
7 | 255152002144065 |
oct | 33661143623574 |
9 | 6687225326823 |
10 | 1913568307068 |
11 | 6785a3471700 |
12 | 26aa421a2710 |
13 | 10b5aaaa67c2 |
14 | 6888d85156c |
15 | 34b9a052163 |
hex | 1bd898f277c |
1913568307068 has 36 divisors (see below), whose sum is σ = 4907801915240. Its totient is φ = 579869183520.
The previous prime is 1913568307039. The next prime is 1913568307069. The reversal of 1913568307068 is 8607038653191.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 1913568306999 and 1913568307017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1913568307069) 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, 658940803 + ... + 658943706.
Almost surely, 21913568307068 is an apocalyptic number.
It is an amenable number.
1913568307068 is an abundant number, since it is smaller than the sum of its proper divisors (2994233608172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1913568307068 is a wasteful number, since it uses less digits than its factorization.
1913568307068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1317884538 (or 1317884525 counting only the distinct ones).
The product of its (nonzero) digits is 6531840, while the sum is 57.
The spelling of 1913568307068 in words is "one trillion, nine hundred thirteen billion, five hundred sixty-eight million, three hundred seven thousand, sixty-eight".
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