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5221871260157 is a prime number
BaseRepresentation
bin100101111111100111111…
…0010000001000111111101
3200111012120012000221112002
41023333033302001013331
51141023343020311112
615034521115352045
71046160560233046
oct113771762010775
920435505027462
105221871260157
111733646213182
1270404a152625
132bb56066b3a6
14140a504958cd
1590c75d441c2
hex4bfcfc811fd

5221871260157 has 2 divisors, whose sum is σ = 5221871260158. Its totient is φ = 5221871260156.

The previous prime is 5221871260141. The next prime is 5221871260159. The reversal of 5221871260157 is 7510621781225.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5203193664601 + 18677595556 = 2281051^2 + 136666^2 .

It is a cyclic number.

It is not a de Polignac number, because 5221871260157 - 24 = 5221871260141 is a prime.

Together with 5221871260159, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5221871260159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2610935630078 + 2610935630079.

It is an arithmetic number, because the mean of its divisors is an integer number (2610935630079).

Almost surely, 25221871260157 is an apocalyptic number.

It is an amenable number.

5221871260157 is a deficient number, since it is larger than the sum of its proper divisors (1).

5221871260157 is an equidigital number, since it uses as much as digits as its factorization.

5221871260157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 47.

The spelling of 5221871260157 in words is "five trillion, two hundred twenty-one billion, eight hundred seventy-one million, two hundred sixty thousand, one hundred fifty-seven".