Search a number
-
+
30229725929 = 1323311238887
BaseRepresentation
bin11100001001110101…
…010000001011101001
32220000202120012002212
4130021311100023221
5443402302212204
621515355534505
72120056300514
oct341165201351
986022505085
1030229725929
111190298a577
125a37a5a435
132b09b596c0
14166ab67d7b
15bbdda5c6e
hex709d502e9

30229725929 has 16 divisors (see below), whose sum is σ = 32727606912. Its totient is φ = 27756736128.

The previous prime is 30229725893. The next prime is 30229725989. The reversal of 30229725929 is 92952792203.

It is a cyclic number.

It is not a de Polignac number, because 30229725929 - 224 = 30212948713 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (30229725989) 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, 3397124 + ... + 3406010.

It is an arithmetic number, because the mean of its divisors is an integer number (2045475432).

Almost surely, 230229725929 is an apocalyptic number.

It is an amenable number.

30229725929 is a deficient number, since it is larger than the sum of its proper divisors (2497880983).

30229725929 is a wasteful number, since it uses less digits than its factorization.

30229725929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10256.

The product of its (nonzero) digits is 1224720, while the sum is 50.

The spelling of 30229725929 in words is "thirty billion, two hundred twenty-nine million, seven hundred twenty-five thousand, nine hundred twenty-nine".

Divisors: 1 13 233 1123 3029 8887 14599 115531 261659 2070671 3401567 9980101 26918723 129741313 2325363533 30229725929