Base | Representation |
---|---|
bin | 101100010110111011… |
… | …001000000101111001 |
3 | 11112221100211000102220 |
4 | 230112323020011321 |
5 | 1240021041114044 |
6 | 33514111514253 |
7 | 3304203564036 |
oct | 542673100571 |
9 | 145840730386 |
10 | 47629238649 |
11 | 19221510a53 |
12 | 9292b28989 |
13 | 4650850665 |
14 | 243b92238d |
15 | 138b697019 |
hex | b16ec8179 |
47629238649 has 16 divisors (see below), whose sum is σ = 66282043392. Its totient is φ = 30365266448.
The previous prime is 47629238647. The next prime is 47629238707. The reversal of 47629238649 is 94683292674.
47629238649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 47629238649 - 21 = 47629238647 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 47629238592 and 47629238601.
It is not an unprimeable number, because it can be changed into a prime (47629238647) 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, 230614 + ... + 385280.
It is an arithmetic number, because the mean of its divisors is an integer number (4142627712).
Almost surely, 247629238649 is an apocalyptic number.
It is an amenable number.
47629238649 is a deficient number, since it is larger than the sum of its proper divisors (18652804743).
47629238649 is a wasteful number, since it uses less digits than its factorization.
47629238649 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 159156.
The product of its digits is 31352832, while the sum is 60.
The spelling of 47629238649 in words is "forty-seven billion, six hundred twenty-nine million, two hundred thirty-eight thousand, six hundred forty-nine".
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