Base | Representation |
---|---|
bin | 111101011110001… |
… | …000111100010100 |
3 | 2122212121000220022 |
4 | 331132020330110 |
5 | 4103003423444 |
6 | 250200324312 |
7 | 34361666654 |
oct | 7536107424 |
9 | 2585530808 |
10 | 1031311124 |
11 | 48a16a348 |
12 | 249473698 |
13 | 135880b8c |
14 | 9ad7c364 |
15 | 608189ee |
hex | 3d788f14 |
1031311124 has 24 divisors (see below), whose sum is σ = 1826592768. Its totient is φ = 509462720.
The previous prime is 1031311123. The next prime is 1031311157. The reversal of 1031311124 is 4211131301.
It is a super-2 number, since 2×10313111242 = 2127205268972286752, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1031311121) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117869 + ... + 126315.
It is an arithmetic number, because the mean of its divisors is an integer number (76108032).
Almost surely, 21031311124 is an apocalyptic number.
It is an amenable number.
1031311124 is a deficient number, since it is larger than the sum of its proper divisors (795281644).
1031311124 is a wasteful number, since it uses less digits than its factorization.
1031311124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8815 (or 8813 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 17.
The square root of 1031311124 is about 32114.0331319503. The cubic root of 1031311124 is about 1010.3299657111.
Adding to 1031311124 its reverse (4211131301), we get a palindrome (5242442425).
The spelling of 1031311124 in words is "one billion, thirty-one million, three hundred eleven thousand, one hundred twenty-four".
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