Search a number
-
+
20080168129 = 73192535337
BaseRepresentation
bin10010101100110111…
…110000110011000001
31220211102101020020201
4102230313300303001
5312111010340004
613120311405201
71310414420140
oct225467606301
956742336221
1020080168129
11857480557a
123a84983801
131b801966b8
14d86bd3757
157c7d046a4
hex4acdf0cc1

20080168129 has 8 divisors (see below), whose sum is σ = 23689046528. Its totient is φ = 16656360480.

The previous prime is 20080168123. The next prime is 20080168211. The reversal of 20080168129 is 92186108002.

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

It is a cyclic number.

It is not a de Polignac number, because 20080168129 - 211 = 20080166081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20080168123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46267452 + ... + 46267885.

It is an arithmetic number, because the mean of its divisors is an integer number (2961130816).

Almost surely, 220080168129 is an apocalyptic number.

It is an amenable number.

20080168129 is a deficient number, since it is larger than the sum of its proper divisors (3608878399).

20080168129 is an equidigital number, since it uses as much as digits as its factorization.

20080168129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92535375.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 20080168129 in words is "twenty billion, eighty million, one hundred sixty-eight thousand, one hundred twenty-nine".

Divisors: 1 7 31 217 92535337 647747359 2868595447 20080168129