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268984454933 = 425576320569
BaseRepresentation
bin1111101010000010111…
…0010000111100010101
3221201021222201002102202
43322200232100330111
513401340010024213
6323323022214245
725301454066605
oct3724056207425
9851258632382
10268984454933
11a4091792227
124416a424385
131c499245b8c
14d039ca0c05
156ee4832b58
hex3ea0b90f15

268984454933 has 4 divisors (see below), whose sum is σ = 268990818060. Its totient is φ = 268978091808.

The previous prime is 268984454929. The next prime is 268984454939. The reversal of 268984454933 is 339454489862.

268984454933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339454489862 = 2169727244931.

It can be written as a sum of positive squares in 2 ways, for example, as 190865881924 + 78118573009 = 436882^2 + 279497^2 .

It is a cyclic number.

It is not a de Polignac number, because 268984454933 - 22 = 268984454929 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268984454933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268984454939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3117728 + ... + 3202841.

It is an arithmetic number, because the mean of its divisors is an integer number (67247704515).

Almost surely, 2268984454933 is an apocalyptic number.

It is an amenable number.

268984454933 is a deficient number, since it is larger than the sum of its proper divisors (6363127).

268984454933 is an equidigital number, since it uses as much as digits as its factorization.

268984454933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6363126.

The product of its digits is 179159040, while the sum is 65.

The spelling of 268984454933 in words is "two hundred sixty-eight billion, nine hundred eighty-four million, four hundred fifty-four thousand, nine hundred thirty-three".

Divisors: 1 42557 6320569 268984454933