Base | Representation |
---|---|
bin | 1111101001000000111… |
… | …0001100110010010101 |
3 | 221200120200210002212010 |
4 | 3322100032030302111 |
5 | 13400303122120340 |
6 | 323235332414433 |
7 | 25261553013666 |
oct | 3722016146225 |
9 | 850520702763 |
10 | 268707613845 |
11 | a3a5a496440 |
12 | 440b1777419 |
13 | 1c453a96298 |
14 | d0111d936d |
15 | 6eca39ab80 |
hex | 3e9038cc95 |
268707613845 has 32 divisors (see below), whose sum is σ = 469040906880. Its totient is φ = 130275818240.
The previous prime is 268707613793. The next prime is 268707613847. The reversal of 268707613845 is 548316707862.
It is not a de Polignac number, because 268707613845 - 214 = 268707597461 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268707613847) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5154571 + ... + 5206439.
It is an arithmetic number, because the mean of its divisors is an integer number (14657528340).
Almost surely, 2268707613845 is an apocalyptic number.
It is an amenable number.
268707613845 is a deficient number, since it is larger than the sum of its proper divisors (200333293035).
268707613845 is a wasteful number, since it uses less digits than its factorization.
268707613845 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83285.
The product of its (nonzero) digits is 13547520, while the sum is 57.
The spelling of 268707613845 in words is "two hundred sixty-eight billion, seven hundred seven million, six hundred thirteen thousand, eight hundred forty-five".
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