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10204386422987 is a prime number
BaseRepresentation
bin1001010001111110010011…
…0100111111000011001011
31100010112022020100022110102
42110133210310333003023
52314142040411013422
633411455211240015
72102146131311441
oct224374464770313
940115266308412
1010204386422987
113284724120789
12118981844900b
13590367165953
14273c759d2b91
1512a68d51d192
hex947e4d3f0cb

10204386422987 has 2 divisors, whose sum is σ = 10204386422988. Its totient is φ = 10204386422986.

The previous prime is 10204386422957. The next prime is 10204386423019. The reversal of 10204386422987 is 78922468340201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10204386422987 - 238 = 9929508516043 is a prime.

It is not a weakly prime, because it can be changed into another prime (10204386422917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102193211493 + 5102193211494.

It is an arithmetic number, because the mean of its divisors is an integer number (5102193211494).

Almost surely, 210204386422987 is an apocalyptic number.

10204386422987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10204386422987 is an equidigital number, since it uses as much as digits as its factorization.

10204386422987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 10204386422987 in words is "ten trillion, two hundred four billion, three hundred eighty-six million, four hundred twenty-two thousand, nine hundred eighty-seven".