Base | Representation |
---|---|
bin | 1100111000000010001… |
… | …1000010110001001010 |
3 | 210010221210211101012012 |
4 | 3032000203002301022 |
5 | 12111004200031442 |
6 | 245341243415522 |
7 | 21660353665241 |
oct | 3160043026112 |
9 | 703853741165 |
10 | 221200002122 |
11 | 858a06a8610 |
12 | 36a535245a2 |
13 | 17b224bc228 |
14 | a9c58d7958 |
15 | 5b4972b582 |
hex | 33808c2c4a |
221200002122 has 16 divisors (see below), whose sum is σ = 362823426144. Its totient is φ = 100306626000.
The previous prime is 221200002103. The next prime is 221200002139.
221200002122 is nontrivially palindromic in base 10.
It is a junction number, because it is equal to n+sod(n) for n = 221200002097 and 221200002106.
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, 11932004 + ... + 11950527.
It is an arithmetic number, because the mean of its divisors is an integer number (22676464134).
Almost surely, 2221200002122 is an apocalyptic number.
221200002122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
221200002122 is a deficient number, since it is larger than the sum of its proper divisors (141623424022).
221200002122 is a wasteful number, since it uses less digits than its factorization.
221200002122 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23882965.
The product of its (nonzero) digits is 64, while the sum is 14.
It can be divided in two parts, 22120000 and 2122, that added together give a palindrome (22122122).
The spelling of 221200002122 in words is "two hundred twenty-one billion, two hundred million, two thousand, one hundred twenty-two".
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