Base | Representation |
---|---|
bin | 101111111010101110… |
… | …001001000110000010 |
3 | 11220210201012122110220 |
4 | 233322232021012002 |
5 | 1320332431241010 |
6 | 35345234203510 |
7 | 3501001424310 |
oct | 577256110602 |
9 | 156721178426 |
10 | 51451040130 |
11 | 1a902852a76 |
12 | 9b7aa23596 |
13 | 4b0c57c159 |
14 | 26c132b0b0 |
15 | 1511e6c970 |
hex | bfab89182 |
51451040130 has 64 divisors (see below), whose sum is σ = 141142238208. Its totient is φ = 11758622400.
The previous prime is 51451040129. The next prime is 51451040143. The reversal of 51451040130 is 3104015415.
It is a happy number.
51451040130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 51451040130.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2225209 + ... + 2248211.
It is an arithmetic number, because the mean of its divisors is an integer number (2205347472).
Almost surely, 251451040130 is an apocalyptic number.
51451040130 is an abundant number, since it is smaller than the sum of its proper divisors (89691198078).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51451040130 is a wasteful number, since it uses less digits than its factorization.
51451040130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33671.
The product of its (nonzero) digits is 1200, while the sum is 24.
Adding to 51451040130 its reverse (3104015415), we get a palindrome (54555055545).
The spelling of 51451040130 in words is "fifty-one billion, four hundred fifty-one million, forty thousand, one hundred thirty".
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