Base | Representation |
---|---|
bin | 10100100000100100… |
… | …010000001110000101 |
3 | 2002211200210102111220 |
4 | 110200210100032011 |
5 | 330044412223023 |
6 | 14041050550553 |
7 | 1406464130244 |
oct | 244044201605 |
9 | 62750712456 |
10 | 22021211013 |
11 | 938044384a |
12 | 4326a38459 |
13 | 20cc36a699 |
14 | 10cc90295b |
15 | 88d41d3e3 |
hex | 520910385 |
22021211013 has 8 divisors (see below), whose sum is σ = 29537433408. Its totient is φ = 14592897984.
The previous prime is 22021210979. The next prime is 22021211029. The reversal of 22021211013 is 31011212022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 22021211013 - 216 = 22021145477 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 22021210983 and 22021211001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22021211063) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21976756 + ... + 21977757.
It is an arithmetic number, because the mean of its divisors is an integer number (3692179176).
Almost surely, 222021211013 is an apocalyptic number.
It is an amenable number.
22021211013 is a deficient number, since it is larger than the sum of its proper divisors (7516222395).
22021211013 is a wasteful number, since it uses less digits than its factorization.
22021211013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43954683.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 22021211013 its reverse (31011212022), we get a palindrome (53032423035).
The spelling of 22021211013 in words is "twenty-two billion, twenty-one million, two hundred eleven thousand, thirteen".
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