Base | Representation |
---|---|
bin | 1101110100111010… |
… | …00000010101100111 |
3 | 201011022221020012000 |
4 | 12322131000111213 |
5 | 110200310224111 |
6 | 3224331300343 |
7 | 351644406156 |
oct | 67235002547 |
9 | 21138836160 |
10 | 7423133031 |
11 | 316a18a796 |
12 | 1531baa6b3 |
13 | 913b86a12 |
14 | 505c2359d |
15 | 2d6a4bc56 |
hex | 1ba740567 |
7423133031 has 8 divisors (see below), whose sum is σ = 10997234160. Its totient is φ = 4948755336.
The previous prime is 7423133027. The next prime is 7423133041. The reversal of 7423133031 is 1303313247.
7423133031 is a `hidden beast` number, since 7 + 42 + 313 + 303 + 1 = 666.
It is not a de Polignac number, because 7423133031 - 22 = 7423133027 is a prime.
It is a super-2 number, since 2×74231330312 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 274930853 = 7423133031 / (7 + 4 + 2 + 3 + 1 + 3 + 3 + 0 + 3 + 1).
It is a junction number, because it is equal to n+sod(n) for n = 7423132986 and 7423133004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7423133041) 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 7 ways as a sum of consecutive naturals, for example, 137465400 + ... + 137465453.
It is an arithmetic number, because the mean of its divisors is an integer number (1374654270).
Almost surely, 27423133031 is an apocalyptic number.
7423133031 is a deficient number, since it is larger than the sum of its proper divisors (3574101129).
7423133031 is a wasteful number, since it uses less digits than its factorization.
7423133031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274930862 (or 274930856 counting only the distinct ones).
The product of its (nonzero) digits is 4536, while the sum is 27.
The square root of 7423133031 is about 86157.6057640879. The cubic root of 7423133031 is about 1950.7236438490.
Adding to 7423133031 its reverse (1303313247), we get a palindrome (8726446278).
The spelling of 7423133031 in words is "seven billion, four hundred twenty-three million, one hundred thirty-three thousand, thirty-one".
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