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2980209457 is a prime number
BaseRepresentation
bin1011000110100010…
…0110001100110001
321200200210022211001
42301220212030301
522100413200312
61211420122001
7133565235211
oct26150461461
97620708731
102980209457
11129a283525
126b2096301
13386575564
14203b34241
15126985057
hexb1a26331

2980209457 has 2 divisors, whose sum is σ = 2980209458. Its totient is φ = 2980209456.

The previous prime is 2980209433. The next prime is 2980209467. The reversal of 2980209457 is 7549020892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2051727616 + 928481841 = 45296^2 + 30471^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2980209457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2980209467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1490104728 + 1490104729.

It is an arithmetic number, because the mean of its divisors is an integer number (1490104729).

Almost surely, 22980209457 is an apocalyptic number.

It is an amenable number.

2980209457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2980209457 is an equidigital number, since it uses as much as digits as its factorization.

2980209457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 2980209457 is about 54591.2946997962. The cubic root of 2980209457 is about 1439.0711372437.

The spelling of 2980209457 in words is "two billion, nine hundred eighty million, two hundred nine thousand, four hundred fifty-seven".