Base | Representation |
---|---|
bin | 11000110011010100101101… |
… | …01001101111111110100111 |
3 | 21011002222022220222201001002 |
4 | 30121222112221233332213 |
5 | 24122040431144021211 |
6 | 311555201302223515 |
7 | 14326246411011443 |
oct | 1431522651577647 |
9 | 234088286881032 |
10 | 54540022251431 |
11 | 16418325784002 |
12 | 614a27b124b9b |
13 | 245814320cb52 |
14 | d67a7328b823 |
15 | 648aa017d03b |
hex | 319a96a6ffa7 |
54540022251431 has 8 divisors (see below), whose sum is σ = 54695031067920. Its totient is φ = 54385016285952.
The previous prime is 54540022251359. The next prime is 54540022251443. The reversal of 54540022251431 is 13415222004545.
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 54540022251431 - 222 = 54540018057127 is a prime.
It is a super-2 number, since 2×545400222514312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54540022251031) 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, 41077841 + ... + 42384773.
It is an arithmetic number, because the mean of its divisors is an integer number (6836878883490).
Almost surely, 254540022251431 is an apocalyptic number.
54540022251431 is a deficient number, since it is larger than the sum of its proper divisors (155008816489).
54540022251431 is a wasteful number, since it uses less digits than its factorization.
54540022251431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1425505.
The product of its (nonzero) digits is 192000, while the sum is 38.
Adding to 54540022251431 its reverse (13415222004545), we get a palindrome (67955244255976).
The spelling of 54540022251431 in words is "fifty-four trillion, five hundred forty billion, twenty-two million, two hundred fifty-one thousand, four hundred thirty-one".
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