Base | Representation |
---|---|
bin | 100000010101111001110… |
… | …010001011110100001001 |
3 | 21212110202201112202021021 |
4 | 200111321302023310021 |
5 | 242403231032301021 |
6 | 4421004341112441 |
7 | 316400434156651 |
oct | 40257162136411 |
9 | 7773681482237 |
10 | 2222541290761 |
11 | 787635687400 |
12 | 2ba8b06b8721 |
13 | 13177a8b67cc |
14 | 79800575361 |
15 | 3cc30352c41 |
hex | 20579c8bd09 |
2222541290761 has 27 divisors (see below), whose sum is σ = 2456461615797. Its totient is φ = 2009385480960.
The previous prime is 2222541290741. The next prime is 2222541290773. The reversal of 2222541290761 is 1670921452222.
The square root of 2222541290761 is 1490819.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 1850636465161 + 371904825600 = 1360381^2 + 609840^2 .
It is not a de Polignac number, because 2222541290761 - 25 = 2222541290729 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2222541290741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5132889601 + ... + 5132890033.
Almost surely, 22222541290761 is an apocalyptic number.
2222541290761 is the 1490819-th square number.
2222541290761 is the 745410-th centered octagonal number.
It is an amenable number.
2222541290761 is a deficient number, since it is larger than the sum of its proper divisors (233920325036).
2222541290761 is an frugal number, since it uses more digits than its factorization.
2222541290761 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1514 (or 757 counting only the distinct ones).
The product of its (nonzero) digits is 241920, while the sum is 43.
The spelling of 2222541290761 in words is "two trillion, two hundred twenty-two billion, five hundred forty-one million, two hundred ninety thousand, seven hundred sixty-one".
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