Base | Representation |
---|---|
bin | 11000110110011111000111… |
… | …01011010010111001100101 |
3 | 21011111100211002001110200201 |
4 | 30123033203223102321211 |
5 | 24130331003300402040 |
6 | 312121132213110501 |
7 | 14340144310316206 |
oct | 1433174353227145 |
9 | 234440732043621 |
10 | 54648688684645 |
11 | 1645a41908a700 |
12 | 6167347328431 |
13 | 246547034b483 |
14 | d6d0212d35ad |
15 | 64b810154a9a |
hex | 31b3e3ad2e65 |
54648688684645 has 48 divisors (see below), whose sum is σ = 72163695816576. Its totient is φ = 39699516771200.
The previous prime is 54648688684643. The next prime is 54648688684747.
54648688684645 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 54648688684645 - 21 = 54648688684643 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (54648688684643) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2813887035 + ... + 2813906455.
It is an arithmetic number, because the mean of its divisors is an integer number (1503410329512).
Almost surely, 254648688684645 is an apocalyptic number.
54648688684645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
54648688684645 is a deficient number, since it is larger than the sum of its proper divisors (17515007131931).
54648688684645 is a wasteful number, since it uses less digits than its factorization.
54648688684645 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24474 (or 24463 counting only the distinct ones).
The product of its digits is 33973862400, while the sum is 82.
The spelling of 54648688684645 in words is "fifty-four trillion, six hundred forty-eight billion, six hundred eighty-eight million, six hundred eighty-four thousand, six hundred forty-five".
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