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2120122122 = 231720785511
BaseRepresentation
bin111111001011110…
…0111111100001010
312110202101100210120
41332113213330022
513320222401442
6550213324110
7103352512026
oct17627477412
95422340716
102120122122
11998832148
124b2036636
1327a314a41
14161807386
15c61de4ec
hex7e5e7f0a

2120122122 has 16 divisors (see below), whose sum is σ = 4489670592. Its totient is φ = 665136320.

The previous prime is 2120122097. The next prime is 2120122141. The reversal of 2120122122 is 2212210212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10392654 + ... + 10392857.

It is an arithmetic number, because the mean of its divisors is an integer number (280604412).

Almost surely, 22120122122 is an apocalyptic number.

2120122122 is an abundant number, since it is smaller than the sum of its proper divisors (2369548470).

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

2120122122 is a wasteful number, since it uses less digits than its factorization.

2120122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20785533.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2120122122 is about 46044.7838739634. The cubic root of 2120122122 is about 1284.6563241865.

Adding to 2120122122 its reverse (2212210212), we get a palindrome (4332332334).

The spelling of 2120122122 in words is "two billion, one hundred twenty million, one hundred twenty-two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 17 34 51 102 20785511 41571022 62356533 124713066 353353687 706707374 1060061061 2120122122