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23474718864 = 243418113209
BaseRepresentation
bin10101110111001100…
…111100100010010000
32020120222211021110000
4111313030330202100
5341034012000424
614441212410000
71460503550412
oct256714744220
966528737400
1023474718864
119a56959803
124671776900
1322a15320bc
1411c99829b2
15925d323c9
hex57733c890

23474718864 has 50 divisors (see below), whose sum is σ = 67942650710. Its totient is φ = 7824905856.

The previous prime is 23474718847. The next prime is 23474718871. The reversal of 23474718864 is 46881747432.

23474718864 is a `hidden beast` number, since 2 + 34 + 7 + 471 + 88 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20272064400 + 3202654464 = 142380^2 + 56592^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 23474718864.

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 9 ways as a sum of consecutive naturals, for example, 9055309 + ... + 9057900.

Almost surely, 223474718864 is an apocalyptic number.

23474718864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

23474718864 is an abundant number, since it is smaller than the sum of its proper divisors (44467931846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23474718864 is a wasteful number, since it uses less digits than its factorization.

23474718864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18113229 (or 18113214 counting only the distinct ones).

The product of its digits is 7225344, while the sum is 54.

The spelling of 23474718864 in words is "twenty-three billion, four hundred seventy-four million, seven hundred eighteen thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 18113209 36226418 54339627 72452836 108679254 144905672 163018881 217358508 289811344 326037762 434717016 489056643 652075524 869434032 978113286 1304151048 1467169929 1956226572 2608302096 2934339858 3912453144 5868679716 7824906288 11737359432 23474718864