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2010109987 is a prime number
BaseRepresentation
bin111011111001111…
…1101100000100011
312012002101011112001
41313303331200203
513104042004422
6531243344431
7100545436654
oct16763754043
95162334461
102010109987
11941722426
12481222117
132605a6cc2
14150d6b52b
15bb70d227
hex77cfd823

2010109987 has 2 divisors, whose sum is σ = 2010109988. Its totient is φ = 2010109986.

The previous prime is 2010109961. The next prime is 2010109991. The reversal of 2010109987 is 7899010102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2010109987 - 27 = 2010109859 is a prime.

It is not a weakly prime, because it can be changed into another prime (2010109957) 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, 1005054993 + 1005054994.

It is an arithmetic number, because the mean of its divisors is an integer number (1005054994).

Almost surely, 22010109987 is an apocalyptic number.

2010109987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010109987 is an equidigital number, since it uses as much as digits as its factorization.

2010109987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 2010109987 is about 44834.2501554336. The cubic root of 2010109987 is about 1262.0404469562.

The spelling of 2010109987 in words is "two billion, ten million, one hundred nine thousand, nine hundred eighty-seven".