Base | Representation |
---|---|
bin | 10101011110000101100100… |
… | …10101110100011011010000 |
3 | 20012011112201010212200122100 |
4 | 22233002302111310123100 |
5 | 22142020240240104330 |
6 | 244225251125240400 |
7 | 12642021623251641 |
oct | 1257026225643320 |
9 | 205145633780570 |
10 | 47213272581840 |
11 | 14053044585812 |
12 | 53662b9563100 |
13 | 2046266c01c81 |
14 | b931c54356c8 |
15 | 56d1d3bd7060 |
hex | 2af0b25746d0 |
47213272581840 has 240 divisors, whose sum is σ = 158967028584000. Its totient is φ = 12557759367168.
The previous prime is 47213272581793. The next prime is 47213272581851. The reversal of 47213272581840 is 4818527231274.
47213272581840 is a `hidden beast` number, since 4 + 7 + 2 + 13 + 2 + 7 + 2 + 581 + 8 + 40 = 666.
It is a tau number, because it is divible by the number of its divisors (240).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 467467827 + ... + 467568813.
It is an arithmetic number, because the mean of its divisors is an integer number (662362619100).
Almost surely, 247213272581840 is an apocalyptic number.
47213272581840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47213272581840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79483514292000).
47213272581840 is an abundant number, since it is smaller than the sum of its proper divisors (111753756002160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47213272581840 is a wasteful number, since it uses less digits than its factorization.
47213272581840 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102674 (or 102665 counting only the distinct ones).
The product of its (nonzero) digits is 6021120, while the sum is 54.
The spelling of 47213272581840 in words is "forty-seven trillion, two hundred thirteen billion, two hundred seventy-two million, five hundred eighty-one thousand, eight hundred forty".
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