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2123246625 = 3535661991
BaseRepresentation
bin111111010001110…
…0010110000100001
312110222021002210220
41332203202300201
513322022343000
6550404313253
7103421204253
oct17643426041
95428232726
102123246625
1199a576685
124b30a2829
1327ab69c66
14161dbbcd3
15c660a1a0
hex7e8e2c21

2123246625 has 16 divisors (see below), whose sum is σ = 3533083008. Its totient is φ = 1132398000.

The previous prime is 2123246617. The next prime is 2123246641. The reversal of 2123246625 is 5266423212.

It is a happy number.

It is not a de Polignac number, because 2123246625 - 23 = 2123246617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2830621 + ... + 2831370.

It is an arithmetic number, because the mean of its divisors is an integer number (220817688).

Almost surely, 22123246625 is an apocalyptic number.

2123246625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2123246625 is a deficient number, since it is larger than the sum of its proper divisors (1409836383).

2123246625 is an equidigital number, since it uses as much as digits as its factorization.

2123246625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5662009 (or 5661999 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 2123246625 is about 46078.7003397448. The cubic root of 2123246625 is about 1285.2870963942.

Adding to 2123246625 its reverse (5266423212), we get a palindrome (7389669837).

The spelling of 2123246625 in words is "two billion, one hundred twenty-three million, two hundred forty-six thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 5661991 16985973 28309955 84929865 141549775 424649325 707748875 2123246625