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2130099989 = 23791172317
BaseRepresentation
bin111111011110110…
…1011111100010101
312111110011021212012
41332331223330111
513330301144424
6551211234005
7103533360023
oct17675537425
95443137765
102130099989
119a3427716
124b5448905
1327c3c94c4
14162c83713
15c7010b0e
hex7ef6bf15

2130099989 has 8 divisors (see below), whose sum is σ = 2250850560. Its totient is φ = 2011694256.

The previous prime is 2130099919. The next prime is 2130100001. The reversal of 2130099989 is 9899900312.

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 2130099989 - 220 = 2129051413 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 (2130099919) 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, 584342 + ... + 587975.

It is an arithmetic number, because the mean of its divisors is an integer number (281356320).

Almost surely, 22130099989 is an apocalyptic number.

It is an amenable number.

2130099989 is a deficient number, since it is larger than the sum of its proper divisors (120750571).

2130099989 is a wasteful number, since it uses less digits than its factorization.

2130099989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172419.

The product of its (nonzero) digits is 314928, while the sum is 50.

The square root of 2130099989 is about 46153.0062834481. The cubic root of 2130099989 is about 1286.6684840358.

The spelling of 2130099989 in words is "two billion, one hundred thirty million, ninety-nine thousand, nine hundred eighty-nine".

Divisors: 1 23 79 1817 1172317 26963291 92613043 2130099989