Search a number
-
+
213551288242 = 2151707123471
BaseRepresentation
bin1100011011100010100…
…1100000111110110010
3202102012202102110020221
43012320221200332302
511444323112210432
6242034253123254
721266666666665
oct3067051407662
9672182373227
10213551288242
1182626153676
1235479a8952a
13171a3992826
14a49bb536dc
15584cec0b97
hex31b8a60fb2

213551288242 has 8 divisors (see below), whose sum is σ = 322448303232. Its totient is φ = 106068520500.

The previous prime is 213551288231. The next prime is 213551288273. The reversal of 213551288242 is 242882155312.

213551288242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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, 353561434 + ... + 353562037.

It is an arithmetic number, because the mean of its divisors is an integer number (40306037904).

Almost surely, 2213551288242 is an apocalyptic number.

213551288242 is a deficient number, since it is larger than the sum of its proper divisors (108897014990).

213551288242 is a wasteful number, since it uses less digits than its factorization.

213551288242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707123624.

The product of its digits is 307200, while the sum is 43.

The spelling of 213551288242 in words is "two hundred thirteen billion, five hundred fifty-one million, two hundred eighty-eight thousand, two hundred forty-two".

Divisors: 1 2 151 302 707123471 1414246942 106775644121 213551288242