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2872037797 is a prime number
BaseRepresentation
bin1010101100101111…
…1101000110100101
321102011020122012021
42223023331012211
521340220202142
61152553423141
7131112630016
oct25313750645
97364218167
102872037797
111244210562
12681a0aab1
1336a030465
141d361700d
1511c219267
hexab2fd1a5

2872037797 has 2 divisors, whose sum is σ = 2872037798. Its totient is φ = 2872037796.

The previous prime is 2872037747. The next prime is 2872037801. The reversal of 2872037797 is 7977302782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2120510401 + 751527396 = 46049^2 + 27414^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872037797 - 215 = 2872005029 is a prime.

It is a super-2 number, since 2×28720377972 = 16497202214793226418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2872037737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1436018898 + 1436018899.

It is an arithmetic number, because the mean of its divisors is an integer number (1436018899).

Almost surely, 22872037797 is an apocalyptic number.

It is an amenable number.

2872037797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872037797 is an equidigital number, since it uses as much as digits as its factorization.

2872037797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2074464, while the sum is 52.

The square root of 2872037797 is about 53591.3966696148. The cubic root of 2872037797 is about 1421.4449678292. Note that the first 3 decimals are identical.

The spelling of 2872037797 in words is "two billion, eight hundred seventy-two million, thirty-seven thousand, seven hundred ninety-seven".