Base | Representation |
---|---|
bin | 101100100101111100… |
… | …011011011101110010 |
3 | 11120120220222221002111 |
4 | 230211330123131302 |
5 | 1241030044112021 |
6 | 33555113035534 |
7 | 3313353545122 |
oct | 544574333562 |
9 | 146526887074 |
10 | 47881238386 |
11 | 193407900a3 |
12 | 93433b5baa |
13 | 4690b13327 |
14 | 246319cc82 |
15 | 13a38738e1 |
hex | b25f1b772 |
47881238386 has 8 divisors (see below), whose sum is σ = 71870292144. Its totient is φ = 23924474340.
The previous prime is 47881238381. The next prime is 47881238411. The reversal of 47881238386 is 68383218874.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×478812383862 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 47881238386.
It is not an unprimeable number, because it can be changed into a prime (47881238381) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8068720 + ... + 8074651.
It is an arithmetic number, because the mean of its divisors is an integer number (8983786518).
Almost surely, 247881238386 is an apocalyptic number.
47881238386 is a deficient number, since it is larger than the sum of its proper divisors (23989053758).
47881238386 is a wasteful number, since it uses less digits than its factorization.
47881238386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16144856.
The product of its digits is 12386304, while the sum is 58.
The spelling of 47881238386 in words is "forty-seven billion, eight hundred eighty-one million, two hundred thirty-eight thousand, three hundred eighty-six".
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