Base | Representation |
---|---|
bin | 101111111010101011… |
… | …111010000010111001 |
3 | 11220210200002212201211 |
4 | 233322223322002321 |
5 | 1320332304013301 |
6 | 35345213443121 |
7 | 3500663434126 |
oct | 577253720271 |
9 | 156720085654 |
10 | 51450454201 |
11 | 1a902492833 |
12 | 9b7a7a04a1 |
13 | 4b0c405553 |
14 | 26c121774d |
15 | 1511da4051 |
hex | bfaafa0b9 |
51450454201 has 8 divisors (see below), whose sum is σ = 53307590400. Its totient is φ = 49605658320.
The previous prime is 51450454189. The next prime is 51450454247. The reversal of 51450454201 is 10245405415.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 51450454201 - 221 = 51448357049 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (51450454261) 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, 3076591 + ... + 3093268.
It is an arithmetic number, because the mean of its divisors is an integer number (6663448800).
Almost surely, 251450454201 is an apocalyptic number.
It is an amenable number.
51450454201 is a deficient number, since it is larger than the sum of its proper divisors (1857136199).
51450454201 is a wasteful number, since it uses less digits than its factorization.
51450454201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6170159.
The product of its (nonzero) digits is 16000, while the sum is 31.
Adding to 51450454201 its reverse (10245405415), we get a palindrome (61695859616).
The spelling of 51450454201 in words is "fifty-one billion, four hundred fifty million, four hundred fifty-four thousand, two hundred one".
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