Base | Representation |
---|---|
bin | 101011111010000100… |
… | …010111100101010100 |
3 | 11111200121212100102112 |
4 | 223322010113211110 |
5 | 1233023122402012 |
6 | 33354055330152 |
7 | 3256204632443 |
oct | 537204274524 |
9 | 144617770375 |
10 | 47145122132 |
11 | 18aa3213059 |
12 | 9178980958 |
13 | 45a446a094 |
14 | 23d3502d5a |
15 | 135de1a122 |
hex | afa117954 |
47145122132 has 12 divisors (see below), whose sum is σ = 82529632500. Its totient is φ = 23565227136.
The previous prime is 47145122117. The next prime is 47145122149. The reversal of 47145122132 is 23122154174.
It is a happy number.
47145122132 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 2 ways, for example, as 35628827536 + 11516294596 = 188756^2 + 107314^2 .
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819007 + ... + 1844742.
It is an arithmetic number, because the mean of its divisors is an integer number (6877469375).
Almost surely, 247145122132 is an apocalyptic number.
It is an amenable number.
47145122132 is a deficient number, since it is larger than the sum of its proper divisors (35384510368).
47145122132 is a wasteful number, since it uses less digits than its factorization.
47145122132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3666970 (or 3666968 counting only the distinct ones).
The product of its digits is 13440, while the sum is 32.
The spelling of 47145122132 in words is "forty-seven billion, one hundred forty-five million, one hundred twenty-two thousand, one hundred thirty-two".
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