Search a number
-
+
18428291230 = 251842829123
BaseRepresentation
bin10001001010011010…
…010110100010011110
31202120022002012010211
4101022122112202132
5300220120304410
612244342123034
71221445614406
oct211232264236
952508065124
1018428291230
1178a7320a58
1236a372047a
131978b9914b
14c6b677806
1572cca968a
hex44a69689e

18428291230 has 8 divisors (see below), whose sum is σ = 33170924232. Its totient is φ = 7371316488.

The previous prime is 18428291209. The next prime is 18428291239. The reversal of 18428291230 is 3219282481.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18428291239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921414552 + ... + 921414571.

It is an arithmetic number, because the mean of its divisors is an integer number (4146365529).

Almost surely, 218428291230 is an apocalyptic number.

18428291230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18428291230 is a deficient number, since it is larger than the sum of its proper divisors (14742633002).

18428291230 is a wasteful number, since it uses less digits than its factorization.

18428291230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842829130.

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 18428291230 in words is "eighteen billion, four hundred twenty-eight million, two hundred ninety-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1842829123 3685658246 9214145615 18428291230