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2122333013 = 29255728621
BaseRepresentation
bin111111010000000…
…0011101101010101
312110220112200120102
41332200003231111
513321304124023
6550332543445
7103410350543
oct17640035525
95426480512
102122333013
1199a002229
124b2921b85
1327a90a168
14161c20d93
15c64c9628
hex7e803b55

2122333013 has 8 divisors (see below), whose sum is σ = 2196452280. Its totient is φ = 2048276160.

The previous prime is 2122332997. The next prime is 2122333039. The reversal of 2122333013 is 3103332212.

It can be written as a sum of positive squares in 4 ways, for example, as 1085764 + 2121247249 = 1042^2 + 46057^2 .

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 2122333013 - 24 = 2122332997 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 (2122333043) 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, 59843 + ... + 88463.

It is an arithmetic number, because the mean of its divisors is an integer number (274556535).

Almost surely, 22122333013 is an apocalyptic number.

It is an amenable number.

2122333013 is a deficient number, since it is larger than the sum of its proper divisors (74119267).

2122333013 is a wasteful number, since it uses less digits than its factorization.

2122333013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31207.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2122333013 is about 46068.7856688235. The cubic root of 2122333013 is about 1285.1027211762.

Adding to 2122333013 its reverse (3103332212), we get a palindrome (5225665225).

The spelling of 2122333013 in words is "two billion, one hundred twenty-two million, three hundred thirty-three thousand, thirteen".

Divisors: 1 29 2557 28621 74153 830009 73183897 2122333013