Base | Representation |
---|---|
bin | 1100011001100001110… |
… | …0100001101000010000 |
3 | 202100211002210120201220 |
4 | 3012120130201220100 |
5 | 11442221304341422 |
6 | 241504513125040 |
7 | 21250416504633 |
oct | 3063034415020 |
9 | 670732716656 |
10 | 213011012112 |
11 | 82379188178 |
12 | 35348b59780 |
13 | 17118a78302 |
14 | a44a0b5c1a |
15 | 581a84de5c |
hex | 3198721a10 |
213011012112 has 40 divisors (see below), whose sum is σ = 582647770656. Its totient is φ = 66826983936.
The previous prime is 213011012107. The next prime is 213011012143. The reversal of 213011012112 is 211210110312.
213011012112 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2130110121122 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 213011012091 and 213011012100.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130520638 + ... + 130522269.
Almost surely, 2213011012112 is an apocalyptic number.
It is an amenable number.
213011012112 is an abundant number, since it is smaller than the sum of its proper divisors (369636758544).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213011012112 is a wasteful number, since it uses less digits than its factorization.
213011012112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261042935 (or 261042929 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 213011012112 its reverse (211210110312), we get a palindrome (424221122424).
The spelling of 213011012112 in words is "two hundred thirteen billion, eleven million, twelve thousand, one hundred twelve".
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