Base | Representation |
---|---|
bin | 101100011011111001… |
… | …000011101100101000 |
3 | 11120011011122022121222 |
4 | 230123321003230220 |
5 | 1240203410114230 |
6 | 33530250121212 |
7 | 3306235154615 |
oct | 543371035450 |
9 | 146134568558 |
10 | 47712582440 |
11 | 19264566416 |
12 | 92b6a20208 |
13 | 4664bb1a03 |
14 | 2448a1950c |
15 | 1393b5b6e5 |
hex | b1be43b28 |
47712582440 has 32 divisors (see below), whose sum is σ = 107387345160. Its totient is φ = 19078982400.
The previous prime is 47712582433. The next prime is 47712582493. The reversal of 47712582440 is 4428521774.
47712582440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 25741635364 + 21970947076 = 160442^2 + 148226^2 .
It is a junction number, because it is equal to n+sod(n) for n = 47712582391 and 47712582400.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60251 + ... + 314730.
Almost surely, 247712582440 is an apocalyptic number.
47712582440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47712582440 is an abundant number, since it is smaller than the sum of its proper divisors (59674762720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47712582440 is a wasteful number, since it uses less digits than its factorization.
47712582440 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 378173 (or 378169 counting only the distinct ones).
The product of its (nonzero) digits is 501760, while the sum is 44.
The spelling of 47712582440 in words is "forty-seven billion, seven hundred twelve million, five hundred eighty-two thousand, four hundred forty".
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