Base | Representation |
---|---|
bin | 1100001011111… |
… | …0000110101000 |
3 | 10120011200011112 |
4 | 3002332012220 |
5 | 101041012222 |
6 | 5023245452 |
7 | 1160300441 |
oct | 302760650 |
9 | 116150145 |
10 | 51110312 |
11 | 26939a30 |
12 | 15149888 |
13 | a7868b6 |
14 | 6b062c8 |
15 | 4748be2 |
hex | 30be1a8 |
51110312 has 32 divisors (see below), whose sum is σ = 104820480. Its totient is φ = 23170560.
The previous prime is 51110309. The next prime is 51110317. The reversal of 51110312 is 21301115.
It is a super-2 number, since 2×511103122 = 5224527985474688, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (51110317) 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, 58793 + ... + 59655.
It is an arithmetic number, because the mean of its divisors is an integer number (3275640).
Almost surely, 251110312 is an apocalyptic number.
It is an amenable number.
51110312 is an abundant number, since it is smaller than the sum of its proper divisors (53710168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51110312 is a wasteful number, since it uses less digits than its factorization.
51110312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1553 (or 1549 counting only the distinct ones).
The product of its (nonzero) digits is 30, while the sum is 14.
The square root of 51110312 is about 7149.1476415024. The cubic root of 51110312 is about 371.1101597446.
Adding to 51110312 its reverse (21301115), we get a palindrome (72411427).
It can be divided in two parts, 511103 and 12, that added together give a palindrome (511115).
The spelling of 51110312 in words is "fifty-one million, one hundred ten thousand, three hundred twelve".
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