Base | Representation |
---|---|
bin | 101100010111001000… |
… | …000111000101110100 |
3 | 11112221121012221112111 |
4 | 230113020013011310 |
5 | 1240022424024140 |
6 | 33514312500404 |
7 | 3304244531416 |
oct | 542710070564 |
9 | 145847187474 |
10 | 47632642420 |
11 | 19223426290 |
12 | 92940aa704 |
13 | 4651472a1c |
14 | 243c16a9b6 |
15 | 138bb1a7ea |
hex | b17207174 |
47632642420 has 96 divisors (see below), whose sum is σ = 114937159680. Its totient is φ = 16399071360.
The previous prime is 47632642403. The next prime is 47632642427. The reversal of 47632642420 is 2424623674.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47632642427) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10125789 + ... + 10130491.
It is an arithmetic number, because the mean of its divisors is an integer number (1197262080).
Almost surely, 247632642420 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47632642420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57468579840).
47632642420 is an abundant number, since it is smaller than the sum of its proper divisors (67304517260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47632642420 is a wasteful number, since it uses less digits than its factorization.
47632642420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7165 (or 7163 counting only the distinct ones).
The product of its (nonzero) digits is 387072, while the sum is 40.
The spelling of 47632642420 in words is "forty-seven billion, six hundred thirty-two million, six hundred forty-two thousand, four hundred twenty".
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