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2112210113 = 13533065617
BaseRepresentation
bin111110111100101…
…1100010011000001
312110012111101120012
41331321130103001
513311211210423
6545331554305
7103225326656
oct17571342301
95405441505
102112210113
119943187a2
124ab45b995
132787a4690
14160747c2d
15c567a078
hex7de5c4c1

2112210113 has 8 divisors (see below), whose sum is σ = 2317607208. Its totient is φ = 1912944384.

The previous prime is 2112210103. The next prime is 2112210173. The reversal of 2112210113 is 3110122112.

It can be written as a sum of positive squares in 4 ways, for example, as 569920129 + 1542289984 = 23873^2 + 39272^2 .

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

It is not a de Polignac number, because 2112210113 - 26 = 2112210049 is a prime.

It is a super-2 number, since 2×21122101132 = 8922863122918945538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112210103) 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, 1532120 + ... + 1533497.

It is an arithmetic number, because the mean of its divisors is an integer number (289700901).

Almost surely, 22112210113 is an apocalyptic number.

It is an amenable number.

2112210113 is a deficient number, since it is larger than the sum of its proper divisors (205397095).

2112210113 is a wasteful number, since it uses less digits than its factorization.

2112210113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065683.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2112210113 is about 45958.7871141091. The cubic root of 2112210113 is about 1283.0562775989.

Adding to 2112210113 its reverse (3110122112), we get a palindrome (5222332225).

The spelling of 2112210113 in words is "two billion, one hundred twelve million, two hundred ten thousand, one hundred thirteen".

Divisors: 1 13 53 689 3065617 39853021 162477701 2112210113