Base | Representation |
---|---|
bin | 110010011001000110… |
… | …010111111111000101 |
3 | 12011122220002222120101 |
4 | 302121012113333011 |
5 | 1341303144131314 |
6 | 40505034204101 |
7 | 3623565022654 |
oct | 623106277705 |
9 | 164586088511 |
10 | 54108192709 |
11 | 20a4673403a |
12 | a5a0883631 |
13 | 5143c12c9c |
14 | 28941a919b |
15 | 161a38c174 |
hex | c99197fc5 |
54108192709 has 16 divisors (see below), whose sum is σ = 55867268160. Its totient is φ = 52373018880.
The previous prime is 54108192707. The next prime is 54108192713. The reversal of 54108192709 is 90729180145.
It is a cyclic number.
It is not a de Polignac number, because 54108192709 - 21 = 54108192707 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 (54108192703) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4257837 + ... + 4270525.
It is an arithmetic number, because the mean of its divisors is an integer number (3491704260).
Almost surely, 254108192709 is an apocalyptic number.
It is an amenable number.
54108192709 is a deficient number, since it is larger than the sum of its proper divisors (1759075451).
54108192709 is a wasteful number, since it uses less digits than its factorization.
54108192709 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13620.
The product of its (nonzero) digits is 181440, while the sum is 46.
The spelling of 54108192709 in words is "fifty-four billion, one hundred eight million, one hundred ninety-two thousand, seven hundred nine".
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