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10217476987 is a prime number
BaseRepresentation
bin10011000010000001…
…00101001101111011
3222101001222121110121
421201000211031323
5131411133230422
64405511554111
7511125056434
oct114100451573
928331877417
1010217476987
114373554763
121b9198b937
13c6aa83693
146ccdb448b
153ec01a8c7
hex26102537b

10217476987 has 2 divisors, whose sum is σ = 10217476988. Its totient is φ = 10217476986.

The previous prime is 10217476981. The next prime is 10217476991. The reversal of 10217476987 is 78967471201.

It is a strong prime.

It is an emirp because it is prime and its reverse (78967471201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10217476987 - 27 = 10217476859 is a prime.

It is not a weakly prime, because it can be changed into another prime (10217476981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5108738493 + 5108738494.

It is an arithmetic number, because the mean of its divisors is an integer number (5108738494).

Almost surely, 210217476987 is an apocalyptic number.

10217476987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10217476987 is an equidigital number, since it uses as much as digits as its factorization.

10217476987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1185408, while the sum is 52.

It can be divided in two parts, 10217 and 476987, that added together give a square (487204 = 6982).

The spelling of 10217476987 in words is "ten billion, two hundred seventeen million, four hundred seventy-six thousand, nine hundred eighty-seven".