Search a number
-
+
213446711417 = 1997443261433
BaseRepresentation
bin1100011011001001101…
…0100101100001111001
3202101221110122101211012
43012302122211201321
511444114324231132
6242020035443305
721264260053202
oct3066232454171
9671843571735
10213446711417
1182582116545
123544aa56535
1317188108a54
14a48bcd05a9
155843c150b2
hex31b26a5879

213446711417 has 16 divisors (see below), whose sum is σ = 227510324160. Its totient is φ = 199675487232.

The previous prime is 213446711399. The next prime is 213446711431. The reversal of 213446711417 is 714117644312.

213446711417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 213446711417 - 26 = 213446711353 is a prime.

It is a super-2 number, since 2×2134467114172 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213446711497) 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 15 ways as a sum of consecutive naturals, for example, 685733 + ... + 947165.

It is an arithmetic number, because the mean of its divisors is an integer number (14219395260).

Almost surely, 2213446711417 is an apocalyptic number.

It is an amenable number.

213446711417 is a deficient number, since it is larger than the sum of its proper divisors (14063612743).

213446711417 is a wasteful number, since it uses less digits than its factorization.

213446711417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261992.

The product of its digits is 112896, while the sum is 41.

The spelling of 213446711417 in words is "two hundred thirteen billion, four hundred forty-six million, seven hundred eleven thousand, four hundred seventeen".

Divisors: 1 19 97 443 1843 8417 42971 261433 816449 4967227 25359001 115814819 481821019 2200481561 11234037443 213446711417