Base | Representation |
---|---|
bin | 1100010111011001101… |
… | …1000101111001011000 |
3 | 202022100022201212212011 |
4 | 3011312123011321120 |
5 | 11440034143223112 |
6 | 241332122555304 |
7 | 21230315666560 |
oct | 3056633057130 |
9 | 668308655764 |
10 | 212440211032 |
11 | 82105a62945 |
12 | 35209968b34 |
13 | 17057733baa |
14 | a3d436dda0 |
15 | 57d569caa7 |
hex | 31766c5e58 |
212440211032 has 64 divisors (see below), whose sum is σ = 466744481280. Its totient is φ = 88751158272.
The previous prime is 212440210981. The next prime is 212440211033. The reversal of 212440211032 is 230112044212.
It is a junction number, because it is equal to n+sod(n) for n = 212440210994 and 212440211012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (212440211033) 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, 1123528 + ... + 1298920.
It is an arithmetic number, because the mean of its divisors is an integer number (7292882520).
Almost surely, 2212440211032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 212440211032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233372240640).
212440211032 is an abundant number, since it is smaller than the sum of its proper divisors (254304270248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212440211032 is a wasteful number, since it uses less digits than its factorization.
212440211032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175952 (or 175948 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
Adding to 212440211032 its reverse (230112044212), we get a palindrome (442552255244).
The spelling of 212440211032 in words is "two hundred twelve billion, four hundred forty million, two hundred eleven thousand, thirty-two".
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