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2102200979 is a prime number
BaseRepresentation
bin111110101001101…
…0000101010010011
312102111122212121112
41331103100222103
513301130412404
6544333243535
7103044261554
oct17523205223
95374585545
102102200979
1198970178a
124a80335ab
132766ab908
1415d2a032b
15c484e56e
hex7d4d0a93

2102200979 has 2 divisors, whose sum is σ = 2102200980. Its totient is φ = 2102200978.

The previous prime is 2102200937. The next prime is 2102201027. The reversal of 2102200979 is 9790022012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2102200979 - 212 = 2102196883 is a prime.

It is a super-2 number, since 2×21022009792 = 8838497912217116882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2102200579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051100489 + 1051100490.

It is an arithmetic number, because the mean of its divisors is an integer number (1051100490).

Almost surely, 22102200979 is an apocalyptic number.

2102200979 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102200979 is an equidigital number, since it uses as much as digits as its factorization.

2102200979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 2102200979 is about 45849.7653101954. The cubic root of 2102200979 is about 1281.0263941521.

The spelling of 2102200979 in words is "two billion, one hundred two million, two hundred thousand, nine hundred seventy-nine".