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102201220903 is a prime number
BaseRepresentation
bin101111100101110101…
…0101101111100100111
3100202210120121221122211
41133023222231330213
53133302003032103
6114541154504251
710245433021105
oct1371352557447
9322716557584
10102201220903
113a385a19a31
1217982b95087
13983987aa12
144d37538c75
1529d25e836d
hex17cbaadf27

102201220903 has 2 divisors, whose sum is σ = 102201220904. Its totient is φ = 102201220902.

The previous prime is 102201220861. The next prime is 102201220937. The reversal of 102201220903 is 309022102201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102201220903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102201220973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100610451 + 51100610452.

It is an arithmetic number, because the mean of its divisors is an integer number (51100610452).

Almost surely, 2102201220903 is an apocalyptic number.

102201220903 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201220903 is an equidigital number, since it uses as much as digits as its factorization.

102201220903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 102201220903 in words is "one hundred two billion, two hundred one million, two hundred twenty thousand, nine hundred three".