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2557298701 is a prime number
BaseRepresentation
bin1001100001101101…
…0100100000001101
320121020000020022201
42120123110200031
520214132024301
61101431441501
7120241452226
oct23033244015
96536006281
102557298701
1110a258a401
125b4526291
13319a719c9
141a38c824d
15ee798201
hex986d480d

2557298701 has 2 divisors, whose sum is σ = 2557298702. Its totient is φ = 2557298700.

The previous prime is 2557298693. The next prime is 2557298719. The reversal of 2557298701 is 1078927552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1857696201 + 699602500 = 43101^2 + 26450^2 .

It is a cyclic number.

It is not a de Polignac number, because 2557298701 - 23 = 2557298693 is a prime.

It is a super-2 number, since 2×25572987012 = 13079553292272574802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2557298741) 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, 1278649350 + 1278649351.

It is an arithmetic number, because the mean of its divisors is an integer number (1278649351).

Almost surely, 22557298701 is an apocalyptic number.

It is an amenable number.

2557298701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557298701 is an equidigital number, since it uses as much as digits as its factorization.

2557298701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 46.

The square root of 2557298701 is about 50569.7409623581. The cubic root of 2557298701 is about 1367.4994258860.

The spelling of 2557298701 in words is "two billion, five hundred fifty-seven million, two hundred ninety-eight thousand, seven hundred one".