Search a number
-
+
23450730239 = 318931726813
BaseRepresentation
bin10101110101110001…
…011011111011111111
32020112022200112020102
4111311301123323333
5341011341331424
614434554311315
71460062626626
oct256561337377
966468615212
1023450730239
119a443647a2
12466572853b
132299583351
1411c66da6bd
15923b947ae
hex575c5beff

23450730239 has 16 divisors (see below), whose sum is σ = 24557333760. Its totient is φ = 22367642880.

The previous prime is 23450730211. The next prime is 23450730283. The reversal of 23450730239 is 93203705432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23450730239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23450730209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861197 + ... + 888009.

It is an arithmetic number, because the mean of its divisors is an integer number (1534833360).

Almost surely, 223450730239 is an apocalyptic number.

23450730239 is a deficient number, since it is larger than the sum of its proper divisors (1106603521).

23450730239 is a wasteful number, since it uses less digits than its factorization.

23450730239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27250.

The product of its (nonzero) digits is 136080, while the sum is 38.

The spelling of 23450730239 in words is "twenty-three billion, four hundred fifty million, seven hundred thirty thousand, two hundred thirty-nine".

Divisors: 1 31 89 317 2759 9827 26813 28213 831203 874603 2386357 8499721 73977067 263491351 756475169 23450730239