Base | Representation |
---|---|
bin | 110010111011110110… |
… | …101100101101110101 |
3 | 12020011112022012000122 |
4 | 302323312230231311 |
5 | 1344001432122002 |
6 | 41042544021325 |
7 | 3644205155024 |
oct | 627366545565 |
9 | 166145265018 |
10 | 54691285877 |
11 | 21215894618 |
12 | a724001845 |
13 | 520796c327 |
14 | 290b7d08bb |
15 | 165166a6a2 |
hex | cbbdacb75 |
54691285877 has 16 divisors (see below), whose sum is σ = 56037288384. Its totient is φ = 53361504000.
The previous prime is 54691285849. The next prime is 54691285897. The reversal of 54691285877 is 77858219645.
It is a cyclic number.
It is not a de Polignac number, because 54691285877 - 218 = 54691023733 is a prime.
It is a super-2 number, since 2×546912858772 (a number of 22 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 (54691285897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3944477 + ... + 3958317.
It is an arithmetic number, because the mean of its divisors is an integer number (3502330524).
Almost surely, 254691285877 is an apocalyptic number.
It is an amenable number.
54691285877 is a deficient number, since it is larger than the sum of its proper divisors (1346002507).
54691285877 is a wasteful number, since it uses less digits than its factorization.
54691285877 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14420.
The product of its digits is 33868800, while the sum is 62.
The spelling of 54691285877 in words is "fifty-four billion, six hundred ninety-one million, two hundred eighty-five thousand, eight hundred seventy-seven".
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