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268945099 = 810133199
BaseRepresentation
bin10000000001111…
…100011011001011
3200202001211022121
4100001330123023
51022322220344
642404232111
76443665333
oct2001743313
9622054277
10268945099
111288a3485
127609b637
1343946917
1427a0c0c3
1518927684
hex1007c6cb

268945099 has 4 divisors (see below), whose sum is σ = 268986400. Its totient is φ = 268903800.

The previous prime is 268945097. The next prime is 268945109. The reversal of 268945099 is 990549862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 268945099 - 21 = 268945097 is a prime.

It is a super-2 number, since 2×2689450992 = 144662932552239602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268945093) 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 3 ways as a sum of consecutive naturals, for example, 8499 + ... + 24700.

It is an arithmetic number, because the mean of its divisors is an integer number (67246600).

Almost surely, 2268945099 is an apocalyptic number.

268945099 is a deficient number, since it is larger than the sum of its proper divisors (41301).

268945099 is an equidigital number, since it uses as much as digits as its factorization.

268945099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41300.

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 268945099 is about 16399.5456949270. The cubic root of 268945099 is about 645.4875619673.

The spelling of 268945099 in words is "two hundred sixty-eight million, nine hundred forty-five thousand, ninety-nine".

Divisors: 1 8101 33199 268945099