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268713899 = 2347248579
BaseRepresentation
bin10000000001000…
…011111110101011
3200201122002011122
4100001003332223
51022242321044
642355245455
76442013306
oct2001037653
9621562148
10268713899
11128755803
1275ba988b
134389560c
142798bb3d
15188cddee
hex10043fab

268713899 has 8 divisors (see below), whose sum is σ = 286364160. Its totient is φ = 251560936.

The previous prime is 268713847. The next prime is 268713931. The reversal of 268713899 is 998317862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-268713899 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 268713899.

It is not an unprimeable number, because it can be changed into a prime (268713829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123209 + ... + 125370.

It is an arithmetic number, because the mean of its divisors is an integer number (35795520).

Almost surely, 2268713899 is an apocalyptic number.

268713899 is a deficient number, since it is larger than the sum of its proper divisors (17650261).

268713899 is a wasteful number, since it uses less digits than its factorization.

268713899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248649.

The product of its digits is 1306368, while the sum is 53.

The square root of 268713899 is about 16392.4952035985. The cubic root of 268713899 is about 645.3025434024.

The spelling of 268713899 in words is "two hundred sixty-eight million, seven hundred thirteen thousand, eight hundred ninety-nine".

Divisors: 1 23 47 1081 248579 5717317 11683213 268713899