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2123222132 = 22787367421
BaseRepresentation
bin111111010001101…
…1100110001110100
312110222012212012202
41332203130301310
513322021102012
6550404004032
7103421042663
oct17643346164
95428185182
102123222132
1199a55a239
124b3090618
1327ab5ba75
14161db2dda
15c6602cc2
hex7e8dcc74

2123222132 has 12 divisors (see below), whose sum is σ = 3716165796. Its totient is φ = 1061460480.

The previous prime is 2123222093. The next prime is 2123222141. The reversal of 2123222132 is 2312223212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 553002256 + 1570219876 = 23516^2 + 39626^2 .

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, 2219 + ... + 65202.

It is an arithmetic number, because the mean of its divisors is an integer number (309680483).

Almost surely, 22123222132 is an apocalyptic number.

It is an amenable number.

2123222132 is a deficient number, since it is larger than the sum of its proper divisors (1592943664).

2123222132 is a wasteful number, since it uses less digits than its factorization.

2123222132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75298 (or 75296 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2123222132 is about 46078.4345654233. The cubic root of 2123222132 is about 1285.2821541739.

Adding to 2123222132 its reverse (2312223212), we get a palindrome (4435445344).

The spelling of 2123222132 in words is "two billion, one hundred twenty-three million, two hundred twenty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 7873 15746 31492 67421 134842 269684 530805533 1061611066 2123222132