Base | Representation |
---|---|
bin | 110010100011010001… |
… | …100110000110110100 |
3 | 12012002210100010120200 |
4 | 302203101212012310 |
5 | 1342130400000132 |
6 | 40534013200500 |
7 | 3631040043132 |
oct | 624321460664 |
9 | 165083303520 |
10 | 54278906292 |
11 | 21024033746 |
12 | a629a90130 |
13 | 51703b5040 |
14 | 28acb26752 |
15 | 162a35dd7c |
hex | ca34661b4 |
54278906292 has 36 divisors (see below), whose sum is σ = 147759246180. Its totient is φ = 16701201792.
The previous prime is 54278906287. The next prime is 54278906347. The reversal of 54278906292 is 29260987245.
54278906292 is a `hidden beast` number, since 5 + 4 + 2 + 7 + 8 + 9 + 0 + 629 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 24813810576 + 29465095716 = 157524^2 + 171654^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57989817 + ... + 57990752.
It is an arithmetic number, because the mean of its divisors is an integer number (4104423505).
Almost surely, 254278906292 is an apocalyptic number.
54278906292 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
54278906292 is an abundant number, since it is smaller than the sum of its proper divisors (93480339888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54278906292 is a wasteful number, since it uses less digits than its factorization.
54278906292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115980592 (or 115980587 counting only the distinct ones).
The product of its (nonzero) digits is 4354560, while the sum is 54.
The spelling of 54278906292 in words is "fifty-four billion, two hundred seventy-eight million, nine hundred six thousand, two hundred ninety-two".
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