Search a number
-
+
30450523994 = 2116432152589
BaseRepresentation
bin11100010110111111…
…100001111101011010
32220121011000220002222
4130112333201331122
5444330313231434
621553324224042
72125410116612
oct342677417532
986534026088
1030450523994
1111a06588410
125a9999b022
132b43816447
14168c201a42
15bd346c72e
hex716fe1f5a

30450523994 has 16 divisors (see below), whose sum is σ = 49905646560. Its totient is φ = 13819614960.

The previous prime is 30450523993. The next prime is 30450524023. The reversal of 30450523994 is 49932505403.

It is not an unprimeable number, because it can be changed into a prime (30450523993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1062149 + ... + 1090440.

It is an arithmetic number, because the mean of its divisors is an integer number (3119102910).

Almost surely, 230450523994 is an apocalyptic number.

30450523994 is a deficient number, since it is larger than the sum of its proper divisors (19455122566).

30450523994 is a wasteful number, since it uses less digits than its factorization.

30450523994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2153245.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 30450523994 in words is "thirty billion, four hundred fifty million, five hundred twenty-three thousand, nine hundred ninety-four".

Divisors: 1 2 11 22 643 1286 7073 14146 2152589 4305178 23678479 47356958 1384114727 2768229454 15225261997 30450523994