Base | Representation |
---|---|
bin | 1100110111101101011… |
… | …1111010110110011110 |
3 | 210010201202111101002220 |
4 | 3031323113322312132 |
5 | 12110314434400110 |
6 | 245324503130210 |
7 | 21655251122022 |
oct | 3157327726636 |
9 | 703652441086 |
10 | 221113200030 |
11 | 85856700948 |
12 | 36a2a443966 |
13 | 17b0a519a48 |
14 | a9b8180382 |
15 | 5b41cd2370 |
hex | 337b5fad9e |
221113200030 has 32 divisors (see below), whose sum is σ = 530776080288. Its totient is φ = 58951920000.
The previous prime is 221113200023. The next prime is 221113200043. The reversal of 221113200030 is 30002311122.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a junction number, because it is equal to n+sod(n) for n = 221113199982 and 221113200009.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569421 + ... + 875480.
It is an arithmetic number, because the mean of its divisors is an integer number (16586752509).
Almost surely, 2221113200030 is an apocalyptic number.
221113200030 is an abundant number, since it is smaller than the sum of its proper divisors (309662880258).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
221113200030 is a wasteful number, since it uses less digits than its factorization.
221113200030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1450012.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 221113200030 its reverse (30002311122), we get a palindrome (251115511152).
The spelling of 221113200030 in words is "two hundred twenty-one billion, one hundred thirteen million, two hundred thousand, thirty".
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