Base | Representation |
---|---|
bin | 1110101111000010001… |
… | …1111011000101001001 |
3 | 220012102001012020201011 |
4 | 3223300203323011021 |
5 | 13121414334131131 |
6 | 312143123323521 |
7 | 24201100640146 |
oct | 3536043730511 |
9 | 805361166634 |
10 | 253144052041 |
11 | 983a3244071 |
12 | 410895205a1 |
13 | 1ab4356bc0a |
14 | c3761d53cd |
15 | 68b8d650b1 |
hex | 3af08fb149 |
253144052041 has 4 divisors (see below), whose sum is σ = 253153457172. Its totient is φ = 253134646912.
The previous prime is 253144051997. The next prime is 253144052111. The reversal of 253144052041 is 140250441352.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 21431788816 + 231712263225 = 146396^2 + 481365^2 .
It is a cyclic number.
It is not a de Polignac number, because 253144052041 - 213 = 253144043849 is a prime.
It is a super-2 number, since 2×2531440520412 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 253144051994 and 253144052012.
It is not an unprimeable number, because it can be changed into a prime (253144052341) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4662076 + ... + 4716061.
It is an arithmetic number, because the mean of its divisors is an integer number (63288364293).
Almost surely, 2253144052041 is an apocalyptic number.
It is an amenable number.
253144052041 is a deficient number, since it is larger than the sum of its proper divisors (9405131).
253144052041 is an equidigital number, since it uses as much as digits as its factorization.
253144052041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9405130.
The product of its (nonzero) digits is 19200, while the sum is 31.
Adding to 253144052041 its reverse (140250441352), we get a palindrome (393394493393).
The spelling of 253144052041 in words is "two hundred fifty-three billion, one hundred forty-four million, fifty-two thousand, forty-one".
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