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2100000907 is a prime number
BaseRepresentation
bin111110100101011…
…0111100010001011
312102100112002200101
41331022313202023
513300100012112
6544214150231
7103016466424
oct17512674213
95370462611
102100000907
11988439844
124a7352377
132760bb3b4
1415cc8a64b
15c4567757
hex7d2b788b

2100000907 has 2 divisors, whose sum is σ = 2100000908. Its totient is φ = 2100000906.

The previous prime is 2100000893. The next prime is 2100000911. The reversal of 2100000907 is 7090000012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100000907 - 227 = 1965783179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100000997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050000453 + 1050000454.

It is an arithmetic number, because the mean of its divisors is an integer number (1050000454).

Almost surely, 22100000907 is an apocalyptic number.

2100000907 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100000907 is an equidigital number, since it uses as much as digits as its factorization.

2100000907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 19.

The square root of 2100000907 is about 45825.7668457387. The cubic root of 2100000907 is about 1280.5793493502.

Adding to 2100000907 its reverse (7090000012), we get a palindrome (9190000919).

The spelling of 2100000907 in words is "two billion, one hundred million, nine hundred seven", and thus it is an aban number.