Base | Representation |
---|---|
bin | 101111100001010111… |
… | …111110111101000010 |
3 | 11212201002001021002110 |
4 | 233201113332331002 |
5 | 1314000101113101 |
6 | 35235124000150 |
7 | 3454316103204 |
oct | 574127767502 |
9 | 155632037073 |
10 | 51025801026 |
11 | 1a7048095a2 |
12 | 9a80530056 |
13 | 4a72441895 |
14 | 2680a76774 |
15 | 14d9970cd6 |
hex | be15fef42 |
51025801026 has 16 divisors (see below), whose sum is σ = 102223702944. Its totient is φ = 16979916864.
The previous prime is 51025801009. The next prime is 51025801037. The reversal of 51025801026 is 62010852015.
It is a junction number, because it is equal to n+sod(n) for n = 51025800984 and 51025801002.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7167016 + ... + 7174131.
It is an arithmetic number, because the mean of its divisors is an integer number (6388981434).
Almost surely, 251025801026 is an apocalyptic number.
51025801026 is an abundant number, since it is smaller than the sum of its proper divisors (51197901918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51025801026 is a wasteful number, since it uses less digits than its factorization.
51025801026 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14341745.
The product of its (nonzero) digits is 4800, while the sum is 30.
The spelling of 51025801026 in words is "fifty-one billion, twenty-five million, eight hundred one thousand, twenty-six".
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