Search a number
-
+
30443503043 = 2959711311913
BaseRepresentation
bin11100010110100100…
…101111110111000011
32220120122211012011202
4130112210233313003
5444322014044133
621552513531415
72125263335432
oct342644576703
986518735152
1030443503043
1111a02622478
125a97573b6b
132b42228835
14168b2d5119
15bd2a322e8
hex71692fdc3

30443503043 has 32 divisors (see below), whose sum is σ = 32743180800. Its totient is φ = 28256300800.

The previous prime is 30443503039. The next prime is 30443503093. The reversal of 30443503043 is 34030534403.

It is a happy number.

It is not a de Polignac number, because 30443503043 - 22 = 30443503039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 30443502997 and 30443503015.

It is not an unprimeable number, because it can be changed into a prime (30443503033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15913055 + ... + 15914967.

It is an arithmetic number, because the mean of its divisors is an integer number (1023224400).

Almost surely, 230443503043 is an apocalyptic number.

30443503043 is a deficient number, since it is larger than the sum of its proper divisors (2299677757).

30443503043 is a wasteful number, since it uses less digits than its factorization.

30443503043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2203.

The product of its (nonzero) digits is 25920, while the sum is 29.

The spelling of 30443503043 in words is "thirty billion, four hundred forty-three million, five hundred three thousand, forty-three".

Divisors: 1 29 59 71 131 1711 1913 2059 3799 4189 7729 9301 55477 112867 121481 135823 224141 250603 269729 548759 3273143 3938867 7267487 8013557 14785577 15914011 17792813 232393153 428781733 515991577 1049775967 30443503043