Base | Representation |
---|---|
bin | 1100001000010011… |
… | …00001011011011111 |
3 | 121210211120201111102 |
4 | 12010021201123133 |
5 | 101314041243111 |
6 | 2554103543315 |
7 | 320242364045 |
oct | 60411413337 |
9 | 17724521442 |
10 | 6512056031 |
11 | 2841982098 |
12 | 1318a5ab3b |
13 | 7ca1b24c0 |
14 | 45ac22395 |
15 | 281a8313b |
hex | 1842616df |
6512056031 has 16 divisors (see below), whose sum is σ = 7199122560. Its totient is φ = 5853669120.
The previous prime is 6512056003. The next prime is 6512056087. The reversal of 6512056031 is 1306502156.
It is a de Polignac number, because none of the positive numbers 2k-6512056031 is a prime.
It is a super-3 number, since 3×65120560313 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 6512055985 and 6512056003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6512056531) 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, 31541 + ... + 118401.
It is an arithmetic number, because the mean of its divisors is an integer number (449945160).
Almost surely, 26512056031 is an apocalyptic number.
6512056031 is a deficient number, since it is larger than the sum of its proper divisors (687066529).
6512056031 is a wasteful number, since it uses less digits than its factorization.
6512056031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 87026.
The product of its (nonzero) digits is 5400, while the sum is 29.
The square root of 6512056031 is about 80697.3111757759. The cubic root of 6512056031 is about 1867.4086932211.
Adding to 6512056031 its reverse (1306502156), we get a palindrome (7818558187).
The spelling of 6512056031 in words is "six billion, five hundred twelve million, fifty-six thousand, thirty-one".
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