Base | Representation |
---|---|
bin | 1100001010010… |
… | …1101000000110 |
3 | 10112222120122021 |
4 | 3002211220012 |
5 | 101024310204 |
6 | 5021153354 |
7 | 1156402234 |
oct | 302455006 |
9 | 115876567 |
10 | 51010054 |
11 | 26880677 |
12 | 150bb85a |
13 | a750084 |
14 | 6abb954 |
15 | 4729154 |
hex | 30a5a06 |
51010054 has 4 divisors (see below), whose sum is σ = 76515084. Its totient is φ = 25505026.
The previous prime is 51010051. The next prime is 51010061. The reversal of 51010054 is 45001015.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45001015 = 5 ⋅9000203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51010051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12752512 + ... + 12752515.
It is an arithmetic number, because the mean of its divisors is an integer number (19128771).
Almost surely, 251010054 is an apocalyptic number.
51010054 is a deficient number, since it is larger than the sum of its proper divisors (25505030).
51010054 is a wasteful number, since it uses less digits than its factorization.
51010054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25505029.
The product of its (nonzero) digits is 100, while the sum is 16.
The square root of 51010054 is about 7142.1323146523. The cubic root of 51010054 is about 370.8673443143.
Adding to 51010054 its reverse (45001015), we get a palindrome (96011069).
The spelling of 51010054 in words is "fifty-one million, ten thousand, fifty-four".
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