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11868234854 = 271749866533
BaseRepresentation
bin10110000110110011…
…01110010001100110
31010122010011210112212
423003121232101212
5143301232003404
65241401243422
7600051221540
oct130331562146
933563153485
1011868234854
115040344563
122372793572
131171a7b798
1480831c690
15496de406e
hex2c366e466

11868234854 has 16 divisors (see below), whose sum is σ = 21542342688. Its totient is φ = 4787187072.

The previous prime is 11868234821. The next prime is 11868234883. The reversal of 11868234854 is 45843286811.

11868234854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24933029 + ... + 24933504.

It is an arithmetic number, because the mean of its divisors is an integer number (1346396418).

Almost surely, 211868234854 is an apocalyptic number.

11868234854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11868234854 is a deficient number, since it is larger than the sum of its proper divisors (9674107834).

11868234854 is a wasteful number, since it uses less digits than its factorization.

11868234854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49866559.

The product of its digits is 1474560, while the sum is 50.

The spelling of 11868234854 in words is "eleven billion, eight hundred sixty-eight million, two hundred thirty-four thousand, eight hundred fifty-four".

Divisors: 1 2 7 14 17 34 119 238 49866533 99733066 349065731 698131462 847731061 1695462122 5934117427 11868234854