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268707613845 = 35113139751869
BaseRepresentation
bin1111101001000000111…
…0001100110010010101
3221200120200210002212010
43322100032030302111
513400303122120340
6323235332414433
725261553013666
oct3722016146225
9850520702763
10268707613845
11a3a5a496440
12440b1777419
131c453a96298
14d0111d936d
156eca39ab80
hex3e9038cc95

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".

Divisors: 1 3 5 11 15 33 55 165 31397 51869 94191 155607 156985 259345 345367 470955 570559 778035 1036101 1711677 1726835 2852795 5180505 8558385 1628530993 4885592979 8142654965 17913840923 24427964895 53741522769 89569204615 268707613845