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2122243124 = 221093485417
BaseRepresentation
bin111111001111110…
…1101110000110100
312110220101010021012
41332133231300310
513321243234444
6550331011352
7103406524511
oct17637556064
95426333235
102122243124
11999a50741
124b2899b58
1327a8a8281
14161bda308
15c64acb9e
hex7e7edc34

2122243124 has 12 divisors (see below), whose sum is σ = 3717331044. Its totient is φ = 1060148544.

The previous prime is 2122243121. The next prime is 2122243139. The reversal of 2122243124 is 4213422212.

It can be written as a sum of positive squares in 2 ways, for example, as 1847280400 + 274962724 = 42980^2 + 16582^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2122243124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122243121) 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, 238337 + ... + 247080.

It is an arithmetic number, because the mean of its divisors is an integer number (309777587).

Almost surely, 22122243124 is an apocalyptic number.

It is an amenable number.

2122243124 is a deficient number, since it is larger than the sum of its proper divisors (1595087920).

2122243124 is a wasteful number, since it uses less digits than its factorization.

2122243124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486514 (or 486512 counting only the distinct ones).

The product of its digits is 1536, while the sum is 23.

The square root of 2122243124 is about 46067.8100629930. The cubic root of 2122243124 is about 1285.0845778988.

Adding to 2122243124 its reverse (4213422212), we get a palindrome (6335665336).

It can be divided in two parts, 21222 and 43124, that added together give a palindrome (64346).

The spelling of 2122243124 in words is "two billion, one hundred twenty-two million, two hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 4 1093 2186 4372 485417 970834 1941668 530560781 1061121562 2122243124