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2100312703 is a prime number
BaseRepresentation
bin111110100110000…
…0011101001111111
312102101002221101101
41331030003221333
513300140001303
6544224553531
7103022235436
oct17514035177
95371087341
102100312703
11988632025
124a74828a7
1327619a2a8
1415cd2c11d
15c45c9d1d
hex7d303a7f

2100312703 has 2 divisors, whose sum is σ = 2100312704. Its totient is φ = 2100312702.

The previous prime is 2100312701. The next prime is 2100312707. The reversal of 2100312703 is 3072130012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2100312703 - 21 = 2100312701 is a prime.

It is a super-2 number, since 2×21003127032 = 8822626900766332418, which contains 22 as substring.

Together with 2100312701, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100312701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050156351 + 1050156352.

It is an arithmetic number, because the mean of its divisors is an integer number (1050156352).

Almost surely, 22100312703 is an apocalyptic number.

2100312703 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100312703 is an equidigital number, since it uses as much as digits as its factorization.

2100312703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 2100312703 is about 45829.1686920023. The cubic root of 2100312703 is about 1280.6427238878.

Adding to 2100312703 its reverse (3072130012), we get a palindrome (5172442715).

The spelling of 2100312703 in words is "two billion, one hundred million, three hundred twelve thousand, seven hundred three".