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80015585293 = 723496991213
BaseRepresentation
bin100101010000101001…
…1001111000000001101
321122112102102220000001
41022201103033000031
52302332442212133
6100431511404301
75531601152530
oct1124123170015
9248472386001
1080015585293
1130a30791596
1213611083691
137712430997
143c30c74a17
152134a4b87d
hex12a14cf00d

80015585293 has 8 divisors (see below), whose sum is σ = 95422313088. Its totient is φ = 65602839984.

The previous prime is 80015585269. The next prime is 80015585341. The reversal of 80015585293 is 39258551008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80015585293 - 233 = 71425650701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80015585203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248495446 + ... + 248495767.

It is an arithmetic number, because the mean of its divisors is an integer number (11927789136).

Almost surely, 280015585293 is an apocalyptic number.

It is an amenable number.

80015585293 is a deficient number, since it is larger than the sum of its proper divisors (15406727795).

80015585293 is a wasteful number, since it uses less digits than its factorization.

80015585293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496991243.

The product of its (nonzero) digits is 432000, while the sum is 46.

The spelling of 80015585293 in words is "eighty billion, fifteen million, five hundred eighty-five thousand, two hundred ninety-three".

Divisors: 1 7 23 161 496991213 3478938491 11430797899 80015585293