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2630640223 = 21157124339
BaseRepresentation
bin1001110011001100…
…0110001001011111
320210100000100222101
42130303012021133
520341420441343
61113011425531
7122122034011
oct23463061137
96710010871
102630640223
11112aa22a32
12614bb52a7
1332c010463
141ad53a1b1
15105e33e4d
hex9ccc625f

2630640223 has 4 divisors (see below), whose sum is σ = 2630785720. Its totient is φ = 2630494728.

The previous prime is 2630640209. The next prime is 2630640247. The reversal of 2630640223 is 3220460362.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2630640223 - 217 = 2630509151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2630640191 and 2630640200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630640293) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41013 + ... + 83326.

It is an arithmetic number, because the mean of its divisors is an integer number (657696430).

Almost surely, 22630640223 is an apocalyptic number.

2630640223 is a deficient number, since it is larger than the sum of its proper divisors (145497).

2630640223 is a wasteful number, since it uses less digits than its factorization.

2630640223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145496.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 2630640223 is about 51289.7672348004. The cubic root of 2630640223 is about 1380.4493780849.

The spelling of 2630640223 in words is "two billion, six hundred thirty million, six hundred forty thousand, two hundred twenty-three".

Divisors: 1 21157 124339 2630640223