Base | Representation |
---|---|
bin | 100000110100101… |
… | …0100110111101111 |
3 | 2211202101111111210 |
4 | 1001221110313233 |
5 | 4223421234211 |
6 | 301141445503 |
7 | 36202225014 |
oct | 10151246757 |
9 | 2752344453 |
10 | 1101352431 |
11 | 515759423 |
12 | 268a10893 |
13 | 14723543a |
14 | a63b170b |
15 | 66a519a6 |
hex | 41a54def |
1101352431 has 4 divisors (see below), whose sum is σ = 1468469912. Its totient is φ = 734234952.
The previous prime is 1101352411. The next prime is 1101352451. The reversal of 1101352431 is 1342531011.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1342531011 = 3 ⋅447510337.
It is an interprime number because it is at equal distance from previous prime (1101352411) and next prime (1101352451).
It is not a de Polignac number, because 1101352431 - 26 = 1101352367 is a prime.
It is a super-2 number, since 2×11013524312 = 2425954354539219522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1101352398 and 1101352407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1101352411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183558736 + ... + 183558741.
It is an arithmetic number, because the mean of its divisors is an integer number (367117478).
Almost surely, 21101352431 is an apocalyptic number.
1101352431 is a deficient number, since it is larger than the sum of its proper divisors (367117481).
1101352431 is an equidigital number, since it uses as much as digits as its factorization.
1101352431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 367117480.
The product of its (nonzero) digits is 360, while the sum is 21.
The square root of 1101352431 is about 33186.6303049888. The cubic root of 1101352431 is about 1032.7029990516.
Adding to 1101352431 its reverse (1342531011), we get a palindrome (2443883442).
The spelling of 1101352431 in words is "one billion, one hundred one million, three hundred fifty-two thousand, four hundred thirty-one".
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