Search a number
-
+
216752109852790 = 2521943987796153
BaseRepresentation
bin110001010010001010001000…
…100000110001100001110110
31001102110022002012210001120201
4301102022020200301201312
5211402231310110242130
62044554313345551114
763440552225524021
oct6122121040614166
91042408065701521
10216752109852790
1163078065329056
122038801704549a
1393c3836b11535
143b74c0286a1b8
151a0d346c28bca
hexc52288831876

216752109852790 has 16 divisors (see below), whose sum is σ = 390171578460768. Its totient is φ = 86696892668736.

The previous prime is 216752109852749. The next prime is 216752109852821. The reversal of 216752109852790 is 97258901257612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493678647 + ... + 494117506.

It is an arithmetic number, because the mean of its divisors is an integer number (24385723653798).

Almost surely, 2216752109852790 is an apocalyptic number.

216752109852790 is a deficient number, since it is larger than the sum of its proper divisors (173419468607978).

216752109852790 is a wasteful number, since it uses less digits than its factorization.

216752109852790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987818103.

The product of its (nonzero) digits is 38102400, while the sum is 64.

The spelling of 216752109852790 in words is "two hundred sixteen trillion, seven hundred fifty-two billion, one hundred nine million, eight hundred fifty-two thousand, seven hundred ninety".

Divisors: 1 2 5 10 21943 43886 109715 219430 987796153 1975592306 4938980765 9877961530 21675210985279 43350421970558 108376054926395 216752109852790