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2201011987 is a prime number
BaseRepresentation
bin1000001100110000…
…1100011100010011
312200101120222211111
42003030030130103
514001424340422
61002223154151
7105354202366
oct20314143423
95611528744
102201011987
11a2a460979
12515145957
13290cc7175
1416c4620dd
15cd36ba77
hex8330c713

2201011987 has 2 divisors, whose sum is σ = 2201011988. Its totient is φ = 2201011986.

The previous prime is 2201011963. The next prime is 2201012017. The reversal of 2201011987 is 7891101022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2201011987 - 211 = 2201009939 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201011957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100505993 + 1100505994.

It is an arithmetic number, because the mean of its divisors is an integer number (1100505994).

Almost surely, 22201011987 is an apocalyptic number.

2201011987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201011987 is an equidigital number, since it uses as much as digits as its factorization.

2201011987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 2201011987 is about 46914.9441756036. The cubic root of 2201011987 is about 1300.7908377417.

The spelling of 2201011987 in words is "two billion, two hundred one million, eleven thousand, nine hundred eighty-seven".