Search a number
-
+
17242950729 = 353691156941
BaseRepresentation
bin10000000011110000…
…101000110001001001
31122111200122122122210
4100003300220301021
5240303143410404
611531000135333
71150203443244
oct200360506111
948450578583
1017242950729
117349218104
123412767549
13181a438334
14b9808225b
156adbb7689
hex403c28c49

17242950729 has 16 divisors (see below), whose sum is σ = 23458434624. Its totient is φ = 11262014400.

The previous prime is 17242950709. The next prime is 17242950773. The reversal of 17242950729 is 92705924271.

It is not a de Polignac number, because 17242950729 - 29 = 17242950217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17242950709) 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, 31399 + ... + 188339.

It is an arithmetic number, because the mean of its divisors is an integer number (1466152164).

Almost surely, 217242950729 is an apocalyptic number.

It is an amenable number.

17242950729 is a deficient number, since it is larger than the sum of its proper divisors (6215483895).

17242950729 is a wasteful number, since it uses less digits than its factorization.

17242950729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157688.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 17242950729 in words is "seventeen billion, two hundred forty-two million, nine hundred fifty thousand, seven hundred twenty-nine".

Divisors: 1 3 53 159 691 2073 36623 109869 156941 470823 8317873 24953619 108446231 325338693 5747650243 17242950729