Base | Representation |
---|---|
bin | 11110001011000… |
… | …10111111110111 |
3 | 122122021102211001 |
4 | 33011202333313 |
5 | 1004244043221 |
6 | 41041024131 |
7 | 6162263524 |
oct | 1705427767 |
9 | 578242731 |
10 | 253112311 |
11 | 11a96a031 |
12 | 70925047 |
13 | 405921ca |
14 | 2588a14b |
15 | 1734b391 |
hex | f162ff7 |
253112311 has 8 divisors (see below), whose sum is σ = 259717248. Its totient is φ = 246528000.
The previous prime is 253112297. The next prime is 253112329. The reversal of 253112311 is 113211352.
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 253112311 - 29 = 253111799 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (253112611) 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 7 ways as a sum of consecutive naturals, for example, 21466 + ... + 31096.
It is an arithmetic number, because the mean of its divisors is an integer number (32464656).
Almost surely, 2253112311 is an apocalyptic number.
253112311 is a deficient number, since it is larger than the sum of its proper divisors (6604937).
253112311 is an equidigital number, since it uses as much as digits as its factorization.
253112311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10313.
The product of its digits is 180, while the sum is 19.
The square root of 253112311 is about 15909.5037949020. The cubic root of 253112311 is about 632.5639286100.
Adding to 253112311 its reverse (113211352), we get a palindrome (366323663).
The spelling of 253112311 in words is "two hundred fifty-three million, one hundred twelve thousand, three hundred eleven".
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