Search a number
-
+
30494580164 = 2227892733469
BaseRepresentation
bin11100011001100111…
…100101110111000100
32220201012221011210222
4130121213211313010
5444423103031124
622001540403512
72126453440346
oct343147456704
986635834728
1030494580164
1111a29439474
125ab06a6598
132b4c9a0299
141693dcd296
15bd727125e
hex7199e5dc4

30494580164 has 12 divisors (see below), whose sum is σ = 53384669100. Its totient is φ = 15241817568.

The previous prime is 30494580139. The next prime is 30494580173. The reversal of 30494580164 is 46108549403.

It can be written as a sum of positive squares in 2 ways, for example, as 16638936064 + 13855644100 = 128992^2 + 117710^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355579 + ... + 1377890.

It is an arithmetic number, because the mean of its divisors is an integer number (4448722425).

Almost surely, 230494580164 is an apocalyptic number.

It is an amenable number.

30494580164 is a deficient number, since it is larger than the sum of its proper divisors (22890088936).

30494580164 is a wasteful number, since it uses less digits than its factorization.

30494580164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736262 (or 2736260 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 30494580164 in words is "thirty billion, four hundred ninety-four million, five hundred eighty thousand, one hundred sixty-four".

Divisors: 1 2 4 2789 5578 11156 2733469 5466938 10933876 7623645041 15247290082 30494580164