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2123002195 = 5424600439
BaseRepresentation
bin111111010001010…
…0111000101010011
312110221210200111221
41332202213011103
513321442032240
6550355145511
7103416135526
oct17642470523
95427720457
102123002195
1199a419a76
124b2ba5297
1327aab2922
14161d56bbd
15c65aca4a
hex7e8a7153

2123002195 has 4 divisors (see below), whose sum is σ = 2547602640. Its totient is φ = 1698401752.

The previous prime is 2123002187. The next prime is 2123002201. The reversal of 2123002195 is 5912003212.

It is a happy number.

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 2123002195 - 23 = 2123002187 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 3 ways as a sum of consecutive naturals, for example, 212300215 + ... + 212300224.

It is an arithmetic number, because the mean of its divisors is an integer number (636900660).

Almost surely, 22123002195 is an apocalyptic number.

2123002195 is a deficient number, since it is larger than the sum of its proper divisors (424600445).

2123002195 is an equidigital number, since it uses as much as digits as its factorization.

2123002195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424600444.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 2123002195 is about 46076.0479533564. The cubic root of 2123002195 is about 1285.2377733783.

The spelling of 2123002195 in words is "two billion, one hundred twenty-three million, two thousand, one hundred ninety-five".

Divisors: 1 5 424600439 2123002195