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2102331563987 is a prime number
BaseRepresentation
bin11110100101111100101…
…110011101111111010011
321102222111002201220201112
4132211330232131333103
5233421033340021422
64245444153323535
7304613510306144
oct36457456357723
97388432656645
102102331563987
117406593a6476
1229b5427065ab
1312333111aa75
1473a79437acb
1539a46c70ee2
hex1e97cb9dfd3

2102331563987 has 2 divisors, whose sum is σ = 2102331563988. Its totient is φ = 2102331563986.

The previous prime is 2102331563837. The next prime is 2102331564043. The reversal of 2102331563987 is 7893651332012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102331563987 - 224 = 2102314786771 is a prime.

It is not a weakly prime, because it can be changed into another prime (2102331563687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051165781993 + 1051165781994.

It is an arithmetic number, because the mean of its divisors is an integer number (1051165781994).

Almost surely, 22102331563987 is an apocalyptic number.

2102331563987 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102331563987 is an equidigital number, since it uses as much as digits as its factorization.

2102331563987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

Adding to 2102331563987 its reverse (7893651332012), we get a palindrome (9995982895999).

The spelling of 2102331563987 in words is "two trillion, one hundred two billion, three hundred thirty-one million, five hundred sixty-three thousand, nine hundred eighty-seven".