Base | Representation |
---|---|
bin | 1111100111011011010… |
… | …0101000110110111000 |
3 | 221122110222221101210101 |
4 | 3321312310220312320 |
5 | 13343420024421210 |
6 | 323125151125144 |
7 | 25245156656041 |
oct | 3716664506670 |
9 | 848428841711 |
10 | 268281482680 |
11 | a38609a2822 |
12 | 43bb2b137b4 |
13 | 1c3b6705973 |
14 | cdb07918c8 |
15 | 6ea2c74a3a |
hex | 3e76d28db8 |
268281482680 has 32 divisors (see below), whose sum is σ = 603710677440. Its totient is φ = 107298843520.
The previous prime is 268281482639. The next prime is 268281482683. The reversal of 268281482680 is 86284182862.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (268281482683) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110656 + ... + 740815.
It is an arithmetic number, because the mean of its divisors is an integer number (18865958670).
Almost surely, 2268281482680 is an apocalyptic number.
268281482680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
268281482680 is an abundant number, since it is smaller than the sum of its proper divisors (335429194760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
268281482680 is a wasteful number, since it uses less digits than its factorization.
268281482680 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 859359 (or 859355 counting only the distinct ones).
The product of its (nonzero) digits is 4718592, while the sum is 55.
The spelling of 268281482680 in words is "two hundred sixty-eight billion, two hundred eighty-one million, four hundred eighty-two thousand, six hundred eighty".
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