Search a number
-
+
18716032028920 = 235467900800723
BaseRepresentation
bin1000100000101101010100…
…11100001101000011111000
32110021020100110012111122111
410100112222130031003320
54423120413144411140
6103450005412302104
73641121502236262
oct420265234150370
973236313174574
1018716032028920
115a66474177526
122123361311934
13a59bb67a8155
14489c09dc0b32
15226ca86817ea
hex1105aa70d0f8

18716032028920 has 16 divisors (see below), whose sum is σ = 42111072065160. Its totient is φ = 7486412811552.

The previous prime is 18716032028899. The next prime is 18716032028921. The reversal of 18716032028920 is 2982023061781.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18716032028921) 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, 233950400322 + ... + 233950400401.

Almost surely, 218716032028920 is an apocalyptic number.

18716032028920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18716032028920 is an abundant number, since it is smaller than the sum of its proper divisors (23395040036240).

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

18716032028920 is a wasteful number, since it uses less digits than its factorization.

18716032028920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467900800734 (or 467900800730 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 18716032028920 in words is "eighteen trillion, seven hundred sixteen billion, thirty-two million, twenty-eight thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 467900800723 935801601446 1871603202892 2339504003615 3743206405784 4679008007230 9358016014460 18716032028920