Base | Representation |
---|---|
bin | 11101001011010001… |
… | …100110000011111100 |
3 | 2222212021112202120012 |
4 | 131023101212003330 |
5 | 1003124341041440 |
6 | 22220340442352 |
7 | 2156220561224 |
oct | 351321460374 |
9 | 88767482505 |
10 | 31327674620 |
11 | 12316723690 |
12 | 60a36a93b8 |
13 | 2c5346c798 |
14 | 17328d1084 |
15 | c35483e65 |
hex | 74b4660fc |
31327674620 has 96 divisors (see below), whose sum is σ = 75725798400. Its totient is φ = 10766649600.
The previous prime is 31327674583. The next prime is 31327674673. The reversal of 31327674620 is 2647672313.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1792886 + ... + 1810274.
It is an arithmetic number, because the mean of its divisors is an integer number (788810400).
Almost surely, 231327674620 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 31327674620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37862899200).
31327674620 is an abundant number, since it is smaller than the sum of its proper divisors (44398123780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31327674620 is a wasteful number, since it uses less digits than its factorization.
31327674620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17859 (or 17857 counting only the distinct ones).
The product of its (nonzero) digits is 254016, while the sum is 41.
The spelling of 31327674620 in words is "thirty-one billion, three hundred twenty-seven million, six hundred seventy-four thousand, six hundred twenty".
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