Search a number
-
+
20093005723 = 719255759083
BaseRepresentation
bin10010101101101000…
…101110111110011011
31220212022112110010011
4102231220232332123
5312122302140343
613121450502351
71310631505420
oct225550567633
956768473104
1020093005723
118580a8365a
123a891349b7
131b82a3c9cb
14d887b5d47
157c8edd29d
hex4ada2ef9b

20093005723 has 16 divisors (see below), whose sum is σ = 24181899520. Its totient is φ = 16309467936.

The previous prime is 20093005717. The next prime is 20093005739. The reversal of 20093005723 is 32750039002.

It is a cyclic number.

It is not a de Polignac number, because 20093005723 - 213 = 20092997531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20093005763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310540 + ... + 369622.

It is an arithmetic number, because the mean of its divisors is an integer number (1511368720).

Almost surely, 220093005723 is an apocalyptic number.

20093005723 is a deficient number, since it is larger than the sum of its proper divisors (4088893797).

20093005723 is a wasteful number, since it uses less digits than its factorization.

20093005723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61666.

The product of its (nonzero) digits is 11340, while the sum is 31.

The spelling of 20093005723 in words is "twenty billion, ninety-three million, five thousand, seven hundred twenty-three".

Divisors: 1 7 19 133 2557 17899 48583 59083 340081 413581 1122577 7858039 151075231 1057526617 2870429389 20093005723