Search a number
-
+
18429179435 = 514251258637
BaseRepresentation
bin10001001010011101…
…101111011000101011
31202120100202022112022
4101022131233120223
5300220332220220
612244413135055
71221456304052
oct211235573053
952510668468
1018429179435
1178a7878307
1236a3a8a48b
13197911a504
14c6b829399
1572cdd2925
hex44a76f62b

18429179435 has 8 divisors (see below), whose sum is σ = 22116652656. Its totient is φ = 14742252000.

The previous prime is 18429179413. The next prime is 18429179501. The reversal of 18429179435 is 53497192481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2k-18429179435 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 58064 + ... + 200573.

It is an arithmetic number, because the mean of its divisors is an integer number (2764581582).

Almost surely, 218429179435 is an apocalyptic number.

18429179435 is a deficient number, since it is larger than the sum of its proper divisors (3687473221).

18429179435 is a wasteful number, since it uses less digits than its factorization.

18429179435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272893.

The product of its digits is 2177280, while the sum is 53.

The spelling of 18429179435 in words is "eighteen billion, four hundred twenty-nine million, one hundred seventy-nine thousand, four hundred thirty-five".

Divisors: 1 5 14251 71255 258637 1293185 3685835887 18429179435