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2142330112 = 2813643729
BaseRepresentation
bin111111110110001…
…0101110100000000
312112022011122102201
41333230111310000
513341414030422
6552325322544
7104042335246
oct17754256400
95468148381
102142330112
119aa32035a
124b9566454
13281abc170
14164748796
15c8129727
hex7fb15d00

2142330112 has 36 divisors (see below), whose sum is σ = 4605244420. Its totient is φ = 988766208.

The previous prime is 2142330017. The next prime is 2142330131. The reversal of 2142330112 is 2110332412.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 954562816 + 1187767296 = 30896^2 + 34464^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2142330112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318537 + ... + 325192.

Almost surely, 22142330112 is an apocalyptic number.

It is an amenable number.

2142330112 is an abundant number, since it is smaller than the sum of its proper divisors (2462914308).

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

2142330112 is an equidigital number, since it uses as much as digits as its factorization.

2142330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643758 (or 643744 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2142330112 is about 46285.3120546897. The cubic root of 2142330112 is about 1289.1262861612.

Adding to 2142330112 its reverse (2110332412), we get a palindrome (4252662524).

The spelling of 2142330112 in words is "two billion, one hundred forty-two million, three hundred thirty thousand, one hundred twelve".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 128 208 256 416 832 1664 3328 643729 1287458 2574916 5149832 8368477 10299664 16736954 20599328 33473908 41198656 66947816 82397312 133895632 164794624 267791264 535582528 1071165056 2142330112