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2123030122 = 2139254941
BaseRepresentation
bin111111010001010…
…1101111001101010
312110221212002211021
41332202231321222
513321443430442
6550355523054
7103416313123
oct17642557152
95427762737
102123030122
1199a438a54
124b2bb948a
1327aac2555
14161d6304a
15c65b5e67
hex7e8ade6a

2123030122 has 12 divisors (see below), whose sum is σ = 3207678786. Its totient is φ = 1053859080.

The previous prime is 2123030093. The next prime is 2123030149. The reversal of 2123030122 is 2210303212.

It can be written as a sum of positive squares in only one way, i.e., 1503965961 + 619064161 = 38781^2 + 24881^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2123030096 and 2123030105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11172 + ... + 66112.

Almost surely, 22123030122 is an apocalyptic number.

2123030122 is a deficient number, since it is larger than the sum of its proper divisors (1084648664).

2123030122 is an equidigital number, since it uses as much as digits as its factorization.

2123030122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55221 (or 55082 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2123030122 is about 46076.3510056949. The cubic root of 2123030122 is about 1285.2434089005.

Adding to 2123030122 its reverse (2210303212), we get a palindrome (4333333334).

The spelling of 2123030122 in words is "two billion, one hundred twenty-three million, thirty thousand, one hundred twenty-two".

Divisors: 1 2 139 278 19321 38642 54941 109882 7636799 15273598 1061515061 2123030122