Search a number
-
+
14388641850 = 2352118720389
BaseRepresentation
bin11010110011010000…
…10100000000111010
31101010202202201222010
431121220110000322
5213431443014400
610335434310350
71016364303102
oct153150240072
941122681863
1014388641850
116114016650
1229568883b6
131483ca467b
149a6d62202
15593301450
hex359a1403a

14388641850 has 48 divisors (see below), whose sum is σ = 38927820960. Its totient is φ = 3488155200.

The previous prime is 14388641831. The next prime is 14388641863. The reversal of 14388641850 is 5814688341.

It is a self number, because there is not a number n which added to its sum of digits gives 14388641850.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4358545 + ... + 4361844.

It is an arithmetic number, because the mean of its divisors is an integer number (810996270).

Almost surely, 214388641850 is an apocalyptic number.

14388641850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14388641850 is an abundant number, since it is smaller than the sum of its proper divisors (24539179110).

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

14388641850 is a wasteful number, since it uses less digits than its factorization.

14388641850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720415 (or 8720410 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 14388641850 in words is "fourteen billion, three hundred eighty-eight million, six hundred forty-one thousand, eight hundred fifty".

Divisors: 1 2 3 5 6 10 11 15 22 25 30 33 50 55 66 75 110 150 165 275 330 550 825 1650 8720389 17440778 26161167 43601945 52322334 87203890 95924279 130805835 191848558 218009725 261611670 287772837 436019450 479621395 575545674 654029175 959242790 1308058350 1438864185 2398106975 2877728370 4796213950 7194320925 14388641850