Base | Representation |
---|---|
bin | 10100100000000110… |
… | …000111100101100011 |
3 | 2002211010221002012002 |
4 | 110200012013211203 |
5 | 330040401430311 |
6 | 14040205354215 |
7 | 1406340026144 |
oct | 244006074543 |
9 | 62733832162 |
10 | 22013311331 |
11 | 9376a38690 |
12 | 432426896b |
13 | 20ca832b0b |
14 | 10cb847acb |
15 | 88c8ac93b |
hex | 520187963 |
22013311331 has 8 divisors (see below), whose sum is σ = 24015614400. Its totient is φ = 20011190440.
The previous prime is 22013311319. The next prime is 22013311361. The reversal of 22013311331 is 13311331022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-22013311331 is a prime.
It is a super-2 number, since 2×220133113312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (22013311361) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380180 + ... + 434238.
It is an arithmetic number, because the mean of its divisors is an integer number (3001951800).
Almost surely, 222013311331 is an apocalyptic number.
22013311331 is a deficient number, since it is larger than the sum of its proper divisors (2002303069).
22013311331 is a wasteful number, since it uses less digits than its factorization.
22013311331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91089.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 22013311331 its reverse (13311331022), we get a palindrome (35324642353).
The spelling of 22013311331 in words is "twenty-two billion, thirteen million, three hundred eleven thousand, three hundred thirty-one".
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