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268281482680 = 2357877851471
BaseRepresentation
bin1111100111011011010…
…0101000110110111000
3221122110222221101210101
43321312310220312320
513343420024421210
6323125151125144
725245156656041
oct3716664506670
9848428841711
10268281482680
11a38609a2822
1243bb2b137b4
131c3b6705973
14cdb07918c8
156ea2c74a3a
hex3e76d28db8

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".

Divisors: 1 2 4 5 8 10 20 40 7877 15754 31508 39385 63016 78770 157540 315080 851471 1702942 3405884 4257355 6811768 8514710 17029420 34058840 6707037067 13414074134 26828148268 33535185335 53656296536 67070370670 134140741340 268281482680