Search a number
-
+
30916496443 = 721733364079
BaseRepresentation
bin11100110010110001…
…000100110000111011
32221210121211202010211
4130302301010300323
51001304110341233
622111451451551
72143065612100
oct346261046073
987717752124
1030916496443
1112125613408
125ba9a56bb7
132bb92162a1
1416d405aaa7
15c0e3135cd
hex732c44c3b

30916496443 has 12 divisors (see below), whose sum is σ = 35984939040. Its totient is φ = 26484490032.

The previous prime is 30916496441. The next prime is 30916496573. The reversal of 30916496443 is 34469461903.

It is a happy number.

It is not a de Polignac number, because 30916496443 - 21 = 30916496441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30916496441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97123 + ... + 266956.

It is an arithmetic number, because the mean of its divisors is an integer number (2998744920).

Almost surely, 230916496443 is an apocalyptic number.

30916496443 is a deficient number, since it is larger than the sum of its proper divisors (5068442597).

30916496443 is a wasteful number, since it uses less digits than its factorization.

30916496443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365826 (or 365819 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 30916496443 in words is "thirty billion, nine hundred sixteen million, four hundred ninety-six thousand, four hundred forty-three".

Divisors: 1 7 49 1733 12131 84917 364079 2548553 17839871 630948907 4416642349 30916496443