Base | Representation |
---|---|
bin | 111100011001111… |
… | …110001100110011 |
3 | 2121121222011011010 |
4 | 330121332030303 |
5 | 4033420110311 |
6 | 244321322003 |
7 | 34054052310 |
oct | 7431761463 |
9 | 2547864133 |
10 | 1013441331 |
11 | 480074521 |
12 | 243496303 |
13 | 131c65236 |
14 | 98849d07 |
15 | 5de88da6 |
hex | 3c67e333 |
1013441331 has 16 divisors (see below), whose sum is σ = 1556455424. Its totient is φ = 574547904.
The previous prime is 1013441311. The next prime is 1013441347. The reversal of 1013441331 is 1331443101.
It is not a de Polignac number, because 1013441331 - 26 = 1013441267 is a prime.
It is a super-2 number, since 2×10134413312 = 2054126662758103122, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a Duffinian number.
It is a zygodrome in base 2.
It is a junction number, because it is equal to n+sod(n) for n = 1013441298 and 1013441307.
It is not an unprimeable number, because it can be changed into a prime (1013441311) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187330 + ... + 192663.
It is an arithmetic number, because the mean of its divisors is an integer number (97278464).
Almost surely, 21013441331 is an apocalyptic number.
1013441331 is a deficient number, since it is larger than the sum of its proper divisors (543014093).
1013441331 is a wasteful number, since it uses less digits than its factorization.
1013441331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 380130.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 1013441331 is about 31834.5933066531. The cubic root of 1013441331 is about 1004.4605178646.
Adding to 1013441331 its reverse (1331443101), we get a palindrome (2344884432).
The spelling of 1013441331 in words is "one billion, thirteen million, four hundred forty-one thousand, three hundred thirty-one".
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