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268211303 = 2311661361
BaseRepresentation
bin11111111110010…
…01010001100111
3200200200112201222
433333021101213
51022130230203
642340410555
76434521103
oct1777112147
9620615658
10268211303
11128442138
12759a6a5b
134374a919
142789a903
1518830038
hexffc9467

268211303 has 4 divisors (see below), whose sum is σ = 279872688. Its totient is φ = 256549920.

The previous prime is 268211291. The next prime is 268211351. The reversal of 268211303 is 303112862.

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 268211303 - 212 = 268207207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268211393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5830658 + ... + 5830703.

It is an arithmetic number, because the mean of its divisors is an integer number (69968172).

Almost surely, 2268211303 is an apocalyptic number.

268211303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

268211303 is a deficient number, since it is larger than the sum of its proper divisors (11661385).

268211303 is a wasteful number, since it uses less digits than its factorization.

268211303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11661384.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 268211303 is about 16377.1579646775. The cubic root of 268211303 is about 644.8999728706.

The spelling of 268211303 in words is "two hundred sixty-eight million, two hundred eleven thousand, three hundred three".

Divisors: 1 23 11661361 268211303