Search a number
-
+
23450730198 = 237558350719
BaseRepresentation
bin10101110101110001…
…011011111011010110
32020112022200112011220
4111311301123323112
5341011341331243
614434554311210
71460062626540
oct256561337326
966468615156
1023450730198
119a44364765
124665728506
13229958331c
1411c66da690
15923b94783
hex575c5bed6

23450730198 has 16 divisors (see below), whose sum is σ = 53601669120. Its totient is φ = 6700208616.

The previous prime is 23450730169. The next prime is 23450730209. The reversal of 23450730198 is 89103705432.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 558350719 = 23450730198 / (2 + 3 + 4 + 5 + 0 + 7 + 3 + 0 + 1 + 9 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279175318 + ... + 279175401.

It is an arithmetic number, because the mean of its divisors is an integer number (3350104320).

Almost surely, 223450730198 is an apocalyptic number.

23450730198 is an abundant number, since it is smaller than the sum of its proper divisors (30150938922).

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

23450730198 is a wasteful number, since it uses less digits than its factorization.

23450730198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558350731.

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 23450730198 in words is "twenty-three billion, four hundred fifty million, seven hundred thirty thousand, one hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 558350719 1116701438 1675052157 3350104314 3908455033 7816910066 11725365099 23450730198