Search a number
-
+
212110120011 = 31731189133349
BaseRepresentation
bin1100010110001010111…
…1111001010001001011
3202021111022121112002210
43011202233321101023
511433400142320021
6241235252000203
721216200162226
oct3054257712113
9667438545083
10212110120011
1181a566a6649
1235137300063
131700422b86a
14a3a25a65bd
1557b66e7e76
hex3162bf944b

212110120011 has 16 divisors (see below), whose sum is σ = 299461428000. Its totient is φ = 133083437568.

The previous prime is 212110120003. The next prime is 212110120021. The reversal of 212110120011 is 110021011212.

It is not a de Polignac number, because 212110120011 - 23 = 212110120003 is a prime.

It is a super-2 number, since 2×2121101200112 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212110120021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1523965 + ... + 1657313.

It is an arithmetic number, because the mean of its divisors is an integer number (18716339250).

Almost surely, 2212110120011 is an apocalyptic number.

212110120011 is a deficient number, since it is larger than the sum of its proper divisors (87351307989).

212110120011 is a wasteful number, since it uses less digits than its factorization.

212110120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164558.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212110120011 its reverse (110021011212), we get a palindrome (322131131223).

The spelling of 212110120011 in words is "two hundred twelve billion, one hundred ten million, one hundred twenty thousand, eleven".

Divisors: 1 3 17 51 31189 93567 133349 400047 530213 1590639 2266933 6800799 4159021961 12477065883 70703373337 212110120011