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2690052257 is a prime number
BaseRepresentation
bin1010000001010110…
…1111000010100001
320221110210210222002
42200111233002201
521002123133012
61122533053345
7123443031644
oct24025570241
96843723862
102690052257
111160512092
12630a87255
1333b4128c9
141b73a3a5b
1510b26c7c2
hexa056f0a1

2690052257 has 2 divisors, whose sum is σ = 2690052258. Its totient is φ = 2690052256.

The previous prime is 2690052251. The next prime is 2690052269. The reversal of 2690052257 is 7522500962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2361862801 + 328189456 = 48599^2 + 18116^2 .

It is a cyclic number.

It is not a de Polignac number, because 2690052257 - 24 = 2690052241 is a prime.

It is a super-2 number, since 2×26900522572 = 14472762290781588098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2690052257.

It is not a weakly prime, because it can be changed into another prime (2690052251) 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, 1345026128 + 1345026129.

It is an arithmetic number, because the mean of its divisors is an integer number (1345026129).

Almost surely, 22690052257 is an apocalyptic number.

It is an amenable number.

2690052257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2690052257 is an equidigital number, since it uses as much as digits as its factorization.

2690052257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2690052257 is about 51865.7136941159. The cubic root of 2690052257 is about 1390.7644221056.

The spelling of 2690052257 in words is "two billion, six hundred ninety million, fifty-two thousand, two hundred fifty-seven".