Search a number
-
+
18940304096 = 25784554929
BaseRepresentation
bin10001101000111011…
…100001101011100000
31210212222112010202022
4101220323201223200
5302242204212341
612411232241012
71240233633320
oct215073415340
953788463668
1018940304096
11803a34288a
1238070a0168
131a2ac9903c
14cb9679280
1575cbe6e4b
hex468ee1ae0

18940304096 has 24 divisors (see below), whose sum is σ = 42615684720. Its totient is φ = 8117273088.

The previous prime is 18940304083. The next prime is 18940304113. The reversal of 18940304096 is 69040304981.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42277241 + ... + 42277688.

It is an arithmetic number, because the mean of its divisors is an integer number (1775653530).

Almost surely, 218940304096 is an apocalyptic number.

18940304096 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18940304096 is an abundant number, since it is smaller than the sum of its proper divisors (23675380624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18940304096 is an equidigital number, since it uses as much as digits as its factorization.

18940304096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84554946 (or 84554938 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 18940304096 in words is "eighteen billion, nine hundred forty million, three hundred four thousand, ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 84554929 169109858 338219716 591884503 676439432 1183769006 1352878864 2367538012 2705757728 4735076024 9470152048 18940304096