Base | Representation |
---|---|
bin | 1000011011001000… |
… | …0000001111100101 |
3 | 12211120221122220102 |
4 | 2012302000033211 |
5 | 14112340131031 |
6 | 1012214313445 |
7 | 110015231405 |
oct | 20662001745 |
9 | 5746848812 |
10 | 2261255141 |
11 | a60468502 |
12 | 531358885 |
13 | 2a062a9c2 |
14 | 176464805 |
15 | d37bb7cb |
hex | 86c803e5 |
2261255141 has 8 divisors (see below), whose sum is σ = 2280879000. Its totient is φ = 2241690880.
The previous prime is 2261255131. The next prime is 2261255209. The reversal of 2261255141 is 1415521622.
It can be written as a sum of positive squares in 4 ways, for example, as 9278116 + 2251977025 = 3046^2 + 47455^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2261255141 - 210 = 2261254117 is a prime.
It is a super-2 number, since 2×22612551412 = 10226549625397859762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2261255131) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63065 + ... + 92193.
It is an arithmetic number, because the mean of its divisors is an integer number (285109875).
Almost surely, 22261255141 is an apocalyptic number.
It is an amenable number.
2261255141 is a deficient number, since it is larger than the sum of its proper divisors (19623859).
2261255141 is a wasteful number, since it uses less digits than its factorization.
2261255141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29799.
The product of its digits is 4800, while the sum is 29.
The square root of 2261255141 is about 47552.6565083382. The cubic root of 2261255141 is about 1312.5520131285.
Adding to 2261255141 its reverse (1415521622), we get a palindrome (3676776763).
The spelling of 2261255141 in words is "two billion, two hundred sixty-one million, two hundred fifty-five thousand, one hundred forty-one".
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