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87293710373 is a prime number
BaseRepresentation
bin101000101001100011…
…1000101000000100101
322100022122111221200012
41101103013011000211
52412234142212443
6104034023100005
76210135203222
oct1212307050045
9270278457605
1087293710373
11340260296a1
1214b025a1605
138302245a7c
14432170c949
15240d9a3118
hex14531c5025

87293710373 has 2 divisors, whose sum is σ = 87293710374. Its totient is φ = 87293710372.

The previous prime is 87293710351. The next prime is 87293710379. The reversal of 87293710373 is 37301739278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84405937729 + 2887772644 = 290527^2 + 53738^2 .

It is a cyclic number.

It is not a de Polignac number, because 87293710373 - 214 = 87293693989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87293710379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43646855186 + 43646855187.

It is an arithmetic number, because the mean of its divisors is an integer number (43646855187).

Almost surely, 287293710373 is an apocalyptic number.

It is an amenable number.

87293710373 is a deficient number, since it is larger than the sum of its proper divisors (1).

87293710373 is an equidigital number, since it uses as much as digits as its factorization.

87293710373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1333584, while the sum is 50.

The spelling of 87293710373 in words is "eighty-seven billion, two hundred ninety-three million, seven hundred ten thousand, three hundred seventy-three".