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84813538875 = 3531317397649
BaseRepresentation
bin100111011111101000…
…1111110011000111011
322002220210122011222120
41032333101332120323
52342144231221000
6102543544252323
76061521120432
oct1167721763073
9262823564876
1084813538875
1132a7303908a
121452ba710a3
137cc8469980
144168180119
152315d926a0
hex13bf47e63b

84813538875 has 32 divisors (see below), whose sum is σ = 151985870400. Its totient is φ = 41754355200.

The previous prime is 84813538871. The next prime is 84813538889. The reversal of 84813538875 is 57883531848.

It is not a de Polignac number, because 84813538875 - 22 = 84813538871 is a prime.

It is a super-2 number, since 2×848135388752 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (84813538871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8693950 + ... + 8703699.

It is an arithmetic number, because the mean of its divisors is an integer number (4749558450).

Almost surely, 284813538875 is an apocalyptic number.

84813538875 is a deficient number, since it is larger than the sum of its proper divisors (67172331525).

84813538875 is a wasteful number, since it uses less digits than its factorization.

84813538875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17397680 (or 17397670 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 60.

The spelling of 84813538875 in words is "eighty-four billion, eight hundred thirteen million, five hundred thirty-eight thousand, eight hundred seventy-five".

Divisors: 1 3 5 13 15 25 39 65 75 125 195 325 375 975 1625 4875 17397649 52192947 86988245 226169437 260964735 434941225 678508311 1130847185 1304823675 2174706125 3392541555 5654235925 6524118375 16962707775 28271179625 84813538875