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2122112132 = 22775789719
BaseRepresentation
bin111111001111100…
…1101110010000100
312110220010110120122
41332133031302010
513321230042012
6550324121112
7103405440560
oct17637156204
95426113518
102122112132
11999971288
124b2836198
1327a86076a
14161ba46a0
15c6483e72
hex7e7cdc84

2122112132 has 12 divisors (see below), whose sum is σ = 4244224320. Its totient is φ = 909476616.

The previous prime is 2122112131. The next prime is 2122112137. The reversal of 2122112132 is 2312112212.

2122112132 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122112132.

It is not an unprimeable number, because it can be changed into a prime (2122112131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37894832 + ... + 37894887.

It is an arithmetic number, because the mean of its divisors is an integer number (353685360).

Almost surely, 22122112132 is an apocalyptic number.

It is an amenable number.

2122112132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2122112132 is a wasteful number, since it uses less digits than its factorization.

2122112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75789730 (or 75789728 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 2122112132 is about 46066.3883107847. The cubic root of 2122112132 is about 1285.0581374374.

Adding to 2122112132 its reverse (2312112212), we get a palindrome (4434224344).

The spelling of 2122112132 in words is "two billion, one hundred twenty-two million, one hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 7 14 28 75789719 151579438 303158876 530528033 1061056066 2122112132