Base | Representation |
---|---|
bin | 110010011001000110… |
… | …100111001001111000 |
3 | 12011122220020010210112 |
4 | 302121012213021320 |
5 | 1341303203123330 |
6 | 40505035403452 |
7 | 3623565402053 |
oct | 623106471170 |
9 | 164586203715 |
10 | 54108254840 |
11 | 20a46776792 |
12 | a5a08b3588 |
13 | 5143c35353 |
14 | 28941c3a9a |
15 | 161a3a0795 |
hex | c991a7278 |
54108254840 has 32 divisors (see below), whose sum is σ = 128904961680. Its totient is φ = 20370166272.
The previous prime is 54108254819. The next prime is 54108254899. The reversal of 54108254840 is 4845280145.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39784802 + ... + 39786161.
Almost surely, 254108254840 is an apocalyptic number.
It is an amenable number.
54108254840 is an abundant number, since it is smaller than the sum of its proper divisors (74796706840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54108254840 is a wasteful number, since it uses less digits than its factorization.
54108254840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79570991 (or 79570987 counting only the distinct ones).
The product of its (nonzero) digits is 204800, while the sum is 41.
The spelling of 54108254840 in words is "fifty-four billion, one hundred eight million, two hundred fifty-four thousand, eight hundred forty".
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