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2013212999 = 72711106087
BaseRepresentation
bin111011111111111…
…0011000101000111
312012022012211001102
41313333303011013
513110340303444
6531434050315
7100614012440
oct16777630507
95168184042
102013212999
119434517a6
1248227999b
132611224c5
141515382c7
15bbb2284e
hex77ff3147

2013212999 has 8 divisors (see below), whose sum is σ = 2301685248. Its totient is φ = 1724958360.

The previous prime is 2013212989. The next prime is 2013213029. The reversal of 2013212999 is 9992123102.

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 2013212999 - 24 = 2013212983 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 (2013212909) 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, 34067 + ... + 72020.

It is an arithmetic number, because the mean of its divisors is an integer number (287710656).

Almost surely, 22013212999 is an apocalyptic number.

2013212999 is a deficient number, since it is larger than the sum of its proper divisors (288472249).

2013212999 is a wasteful number, since it uses less digits than its factorization.

2013212999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108805.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 2013212999 is about 44868.8421847500. The cubic root of 2013212999 is about 1262.6895181167.

The spelling of 2013212999 in words is "two billion, thirteen million, two hundred twelve thousand, nine hundred ninety-nine".

Divisors: 1 7 2711 18977 106087 742609 287601857 2013212999