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2122140225 = 352203913877
BaseRepresentation
bin111111001111101…
…0100101001000001
312110220011220010010
41332133110221001
513321231441400
6550324455133
7103405615512
oct17637245101
95426156103
102122140225
119999903a7
124b284a4a9
1327a87049a
14161bb0a09
15c648c450
hex7e7d4a41

2122140225 has 24 divisors (see below), whose sum is σ = 3510578880. Its totient is φ = 1131171520.

The previous prime is 2122140211. The next prime is 2122140233. The reversal of 2122140225 is 5220412212.

It is not a de Polignac number, because 2122140225 - 224 = 2105363009 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 145987 + ... + 159863.

It is an arithmetic number, because the mean of its divisors is an integer number (146274120).

Almost surely, 22122140225 is an apocalyptic number.

2122140225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2122140225 is a deficient number, since it is larger than the sum of its proper divisors (1388438655).

2122140225 is a wasteful number, since it uses less digits than its factorization.

2122140225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15929 (or 15924 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 2122140225 is about 46066.6932284053. The cubic root of 2122140225 is about 1285.0638080424.

Adding to 2122140225 its reverse (5220412212), we get a palindrome (7342552437).

The spelling of 2122140225 in words is "two billion, one hundred twenty-two million, one hundred forty thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 2039 6117 10195 13877 30585 41631 50975 69385 152925 208155 346925 1040775 28295203 84885609 141476015 424428045 707380075 2122140225