Search a number
-
+
87315210214 = 2107408015001
BaseRepresentation
bin101000101010001100…
…1000101111111100110
322100101010222020220121
41101110121011333212
52412310143211324
6104040111552154
76210516020041
oct1212431057746
9270333866817
1087315210214
1134037183861
1214b0982b65a
138306832a7b
144324507c58
1524107ed5e4
hex1454645fe6

87315210214 has 8 divisors (see below), whose sum is σ = 132196860648. Its totient is φ = 43249590000.

The previous prime is 87315210209. The next prime is 87315210217. The reversal of 87315210214 is 41201251378.

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

It is a self number, because there is not a number n which added to its sum of digits gives 87315210214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87315210217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204007287 + ... + 204007714.

It is an arithmetic number, because the mean of its divisors is an integer number (16524607581).

Almost surely, 287315210214 is an apocalyptic number.

87315210214 is a deficient number, since it is larger than the sum of its proper divisors (44881650434).

87315210214 is a wasteful number, since it uses less digits than its factorization.

87315210214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408015110.

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 87315210214 in words is "eighty-seven billion, three hundred fifteen million, two hundred ten thousand, two hundred fourteen".

Divisors: 1 2 107 214 408015001 816030002 43657605107 87315210214