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2123108107 is a prime number
BaseRepresentation
bin111111010001100…
…0000111100001011
312110222000001210121
41332203000330023
513322003424412
6550401324111
7103420056361
oct17643007413
95428001717
102123108107
1199a4915aa
124b3036637
1327ab1bbb3
14161d83631
15c65ce107
hex7e8c0f0b

2123108107 has 2 divisors, whose sum is σ = 2123108108. Its totient is φ = 2123108106.

The previous prime is 2123108093. The next prime is 2123108123. The reversal of 2123108107 is 7018013212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2123108107 - 211 = 2123106059 is a prime.

It is not a weakly prime, because it can be changed into another prime (2123108147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061554053 + 1061554054.

It is an arithmetic number, because the mean of its divisors is an integer number (1061554054).

Almost surely, 22123108107 is an apocalyptic number.

2123108107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123108107 is an equidigital number, since it uses as much as digits as its factorization.

2123108107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 2123108107 is about 46077.1972563436. The cubic root of 2123108107 is about 1285.2591456029.

The spelling of 2123108107 in words is "two billion, one hundred twenty-three million, one hundred eight thousand, one hundred seven".