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2897121052801 is a prime number
BaseRepresentation
bin101010001010001001110…
…111110000100010000001
3101020221222100101021002101
4222022021313300202001
5334431300442142201
610054530302350401
7416211234430363
oct52121167604201
911227870337071
102897121052801
11a17731340a78
123a9593b8b401
13180274741111
14a0315780d33
15505628c7d01
hex2a289df0881

2897121052801 has 2 divisors, whose sum is σ = 2897121052802. Its totient is φ = 2897121052800.

The previous prime is 2897121052799. The next prime is 2897121052807. The reversal of 2897121052801 is 1082501217982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2847926256400 + 49194796401 = 1687580^2 + 221799^2 .

It is a cyclic number.

It is not a de Polignac number, because 2897121052801 - 21 = 2897121052799 is a prime.

Together with 2897121052799, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2897121052807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1448560526400 + 1448560526401.

It is an arithmetic number, because the mean of its divisors is an integer number (1448560526401).

Almost surely, 22897121052801 is an apocalyptic number.

It is an amenable number.

2897121052801 is a deficient number, since it is larger than the sum of its proper divisors (1).

2897121052801 is an equidigital number, since it uses as much as digits as its factorization.

2897121052801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 46.

The spelling of 2897121052801 in words is "two trillion, eight hundred ninety-seven billion, one hundred twenty-one million, fifty-two thousand, eight hundred one".