Base | Representation |
---|---|
bin | 101011111101111110… |
… | …011111100011110000 |
3 | 11111212012020120201201 |
4 | 223331332133203300 |
5 | 1233141414101200 |
6 | 33404400540544 |
7 | 3260632151650 |
oct | 537576374360 |
9 | 144765216651 |
10 | 47210690800 |
11 | 19027227839 |
12 | 9196921754 |
13 | 45b4c16900 |
14 | 23dc0d0360 |
15 | 1364a6cc6a |
hex | afdf9f8f0 |
47210690800 has 720 divisors, whose sum is σ = 151945632000. Its totient is φ = 13758750720.
The previous prime is 47210690759. The next prime is 47210690827. The reversal of 47210690800 is 809601274.
It is a self number, because there is not a number n which added to its sum of digits gives 47210690800.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 530457156 + ... + 530457244.
It is an arithmetic number, because the mean of its divisors is an integer number (211035600).
Almost surely, 247210690800 is an apocalyptic number.
47210690800 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 47210690800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75972816000).
47210690800 is an abundant number, since it is smaller than the sum of its proper divisors (104734941200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47210690800 is a wasteful number, since it uses less digits than its factorization.
47210690800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218 (or 194 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 37.
The spelling of 47210690800 in words is "forty-seven billion, two hundred ten million, six hundred ninety thousand, eight hundred".
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