Search a number
-
+
20320290759 = 356531198201
BaseRepresentation
bin10010111011001011…
…110000011111000111
31221110011012201120110
4102323023300133013
5313103443301014
613200210204103
71316361423126
oct227313603707
957404181513
1020320290759
11868830222a
123b31283633
131bbab5b2b2
14daaa5babd
157dde36d59
hex4bb2f07c7

20320290759 has 8 divisors (see below), whose sum is σ = 27098536432. Its totient is φ = 13544452800.

The previous prime is 20320290751. The next prime is 20320290773. The reversal of 20320290759 is 95709202302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20320290759 - 23 = 20320290751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20320290751) 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, 582142 + ... + 616059.

It is an arithmetic number, because the mean of its divisors is an integer number (3387317054).

Almost surely, 220320290759 is an apocalyptic number.

20320290759 is a deficient number, since it is larger than the sum of its proper divisors (6778245673).

20320290759 is a wasteful number, since it uses less digits than its factorization.

20320290759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1203857.

The product of its (nonzero) digits is 68040, while the sum is 39.

The spelling of 20320290759 in words is "twenty billion, three hundred twenty million, two hundred ninety thousand, seven hundred fifty-nine".

Divisors: 1 3 5653 16959 1198201 3594603 6773430253 20320290759