Search a number
-
+
20003057799 = 3311579136217
BaseRepresentation
bin10010101000010001…
…100111000010000111
31220122001021121202120
4102220101213002013
5311431240322144
613104514541023
71305460120524
oct225021470207
956561247676
1020003057799
11853522842a
123a62b97773
131b6a20869a
14d7a88014b
157c1171e19
hex4a8467087

20003057799 has 16 divisors (see below), whose sum is σ = 27548728320. Its totient is φ = 12896930880.

The previous prime is 20003057797. The next prime is 20003057831. The reversal of 20003057799 is 99775030002.

It is not a de Polignac number, because 20003057799 - 21 = 20003057797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20003057799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20003057797) 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, 78739 + ... + 214955.

It is an arithmetic number, because the mean of its divisors is an integer number (1721795520).

Almost surely, 220003057799 is an apocalyptic number.

20003057799 is a deficient number, since it is larger than the sum of its proper divisors (7545670521).

20003057799 is a wasteful number, since it uses less digits than its factorization.

20003057799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137830.

The product of its (nonzero) digits is 119070, while the sum is 42.

The spelling of 20003057799 in words is "twenty billion, three million, fifty-seven thousand, seven hundred ninety-nine".

Divisors: 1 3 31 93 1579 4737 48949 136217 146847 408651 4222727 12668181 215086643 645259929 6667685933 20003057799