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2112113310 = 23570403777
BaseRepresentation
bin111110111100100…
…0100101010011110
312110012022110202220
41331321010222132
513311200111220
6545325530210
7103224444516
oct17571045236
95405273686
102112113310
11994261a9a
124ab413966
1327876c5b8
14160720846
15c565b540
hex7de44a9e

2112113310 has 16 divisors (see below), whose sum is σ = 5069072016. Its totient is φ = 563230208.

The previous prime is 2112113309. The next prime is 2112113323. The reversal of 2112113310 is 133112112.

It is a happy number.

It is a super-2 number, since 2×21121133102 = 8922045268558312200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2112113310.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35201859 + ... + 35201918.

It is an arithmetic number, because the mean of its divisors is an integer number (316817001).

Almost surely, 22112113310 is an apocalyptic number.

2112113310 is an abundant number, since it is smaller than the sum of its proper divisors (2956958706).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112113310 is a wasteful number, since it uses less digits than its factorization.

2112113310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70403787.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2112113310 is about 45957.7339519694. The cubic root of 2112113310 is about 1283.0366763932.

Adding to 2112113310 its reverse (133112112), we get a palindrome (2245225422).

The spelling of 2112113310 in words is "two billion, one hundred twelve million, one hundred thirteen thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 70403777 140807554 211211331 352018885 422422662 704037770 1056056655 2112113310