Base | Representation |
---|---|
bin | 10111011001001010100110… |
… | …10011111111010101110101 |
3 | 20202010211100211111210110120 |
4 | 23230211103103333111311 |
5 | 23220312132042201201 |
6 | 301224121411442153 |
7 | 13556402123205051 |
oct | 1354452323772565 |
9 | 222124324453416 |
10 | 51442221053301 |
11 | 15433583763661 |
12 | 5929a1b8b6359 |
13 | 2291c995a2710 |
14 | c9bb6137cc61 |
15 | 5e31e4781536 |
hex | 2ec9534ff575 |
51442221053301 has 32 divisors (see below), whose sum is σ = 74521111002240. Its totient is φ = 31375896459264.
The previous prime is 51442221053291. The next prime is 51442221053347. The reversal of 51442221053301 is 10335012224415.
It is not a de Polignac number, because 51442221053301 - 222 = 51442216858997 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51442221051301) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 249196410 + ... + 249402756.
It is an arithmetic number, because the mean of its divisors is an integer number (2328784718820).
Almost surely, 251442221053301 is an apocalyptic number.
It is an amenable number.
51442221053301 is a deficient number, since it is larger than the sum of its proper divisors (23078889948939).
51442221053301 is a wasteful number, since it uses less digits than its factorization.
51442221053301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 263045.
The product of its (nonzero) digits is 28800, while the sum is 33.
Adding to 51442221053301 its reverse (10335012224415), we get a palindrome (61777233277716).
The spelling of 51442221053301 in words is "fifty-one trillion, four hundred forty-two billion, two hundred twenty-one million, fifty-three thousand, three hundred one".
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