Search a number
-
+
213102231030211 = 1495704125073479
BaseRepresentation
bin110000011101000010111010…
…110010000000100111000011
31000221112101002212212000012011
4300131002322302000213003
5210412431332120431321
62033121451411513351
762613061641443035
oct6035027262004703
91027471085760164
10213102231030211
11619a016a942166
121ba98781bb8857
1391ba5b9a31243
143a8a2bb103c55
15199842875bae1
hexc1d0bac809c3

213102231030211 has 8 divisors (see below), whose sum is σ = 214536216924000. Its totient is φ = 211668295397760.

The previous prime is 213102231030187. The next prime is 213102231030229. The reversal of 213102231030211 is 112030132201312.

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 213102231030211 - 27 = 213102231030083 is a prime.

It is a super-3 number, since 3×2131022310302113 (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213102231030511) 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, 4037631 + ... + 21035848.

It is an arithmetic number, because the mean of its divisors is an integer number (26817027115500).

Almost surely, 2213102231030211 is an apocalyptic number.

213102231030211 is a deficient number, since it is larger than the sum of its proper divisors (1433985893789).

213102231030211 is a wasteful number, since it uses less digits than its factorization.

213102231030211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25130669.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 213102231030211 its reverse (112030132201312), we get a palindrome (325132363231523).

The spelling of 213102231030211 in words is "two hundred thirteen trillion, one hundred two billion, two hundred thirty-one million, thirty thousand, two hundred eleven".

Divisors: 1 149 57041 8499109 25073479 3735948371 1430216315639 213102231030211