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2690102281 is a prime number
BaseRepresentation
bin1010000001010111…
…1011010000001001
320221110220100120211
42200111323100021
521002131233111
61122534121121
7123443330536
oct24025732011
96843810524
102690102281
111160546729
12630ab01a1
1333b42c5c9
141b73b7d8d
1510b27c521
hexa057b409

2690102281 has 2 divisors, whose sum is σ = 2690102282. Its totient is φ = 2690102280.

The previous prime is 2690102273. The next prime is 2690102309. The reversal of 2690102281 is 1822010962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2429602681 + 260499600 = 49291^2 + 16140^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690102281 - 23 = 2690102273 is a prime.

It is a super-2 number, since 2×26901022812 = 14473300564482805922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2690102201) 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, 1345051140 + 1345051141.

It is an arithmetic number, because the mean of its divisors is an integer number (1345051141).

Almost surely, 22690102281 is an apocalyptic number.

It is an amenable number.

2690102281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690102281 is an equidigital number, since it uses as much as digits as its factorization.

2690102281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2690102281 is about 51866.1959372384. The cubic root of 2690102281 is about 1390.7730429007.

The spelling of 2690102281 in words is "two billion, six hundred ninety million, one hundred two thousand, two hundred eighty-one".