Base | Representation |
---|---|
bin | 10001110010011111001… |
… | …100010101101100110101 |
3 | 11022212100001101122112210 |
4 | 101302133030111230311 |
5 | 130012030012232041 |
6 | 2333325404204033 |
7 | 154214145336534 |
oct | 21623714255465 |
9 | 4285301348483 |
10 | 1222441524021 |
11 | 43148640a263 |
12 | 178b01239619 |
13 | 8b377a596c3 |
14 | 43248b9c31b |
15 | 21be9e81016 |
hex | 11c9f315b35 |
1222441524021 has 32 divisors (see below), whose sum is σ = 1644489924480. Its totient is φ = 807710932224.
The previous prime is 1222441523983. The next prime is 1222441524023. The reversal of 1222441524021 is 1204251442221.
It is not a de Polignac number, because 1222441524021 - 29 = 1222441523509 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1222441524021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1222441524023) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255257895 + ... + 255262683.
It is an arithmetic number, because the mean of its divisors is an integer number (51390310140).
Almost surely, 21222441524021 is an apocalyptic number.
It is an amenable number.
1222441524021 is a deficient number, since it is larger than the sum of its proper divisors (422048400459).
1222441524021 is a wasteful number, since it uses less digits than its factorization.
1222441524021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6405.
The product of its (nonzero) digits is 10240, while the sum is 30.
Adding to 1222441524021 its reverse (1204251442221), we get a palindrome (2426692966242).
The spelling of 1222441524021 in words is "one trillion, two hundred twenty-two billion, four hundred forty-one million, five hundred twenty-four thousand, twenty-one".
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