Base | Representation |
---|---|
bin | 1001001100110101011101… |
… | …11111111101000010010000 |
3 | 2122122011221000212122122211 |
4 | 10212122232333331002100 |
5 | 10122441102340333231 |
6 | 111010320431041504 |
7 | 4155505366114534 |
oct | 446325677750220 |
9 | 78564830778584 |
10 | 20232231964816 |
11 | 64a0494544493 |
12 | 2329185670294 |
13 | b39b7820ba31 |
14 | 4dd360d85bc4 |
15 | 251447d66eb1 |
hex | 1266aeffd090 |
20232231964816 has 80 divisors (see below), whose sum is σ = 42423455082240. Its totient is φ = 9310885406720.
The previous prime is 20232231964739. The next prime is 20232231964871. The reversal of 20232231964816 is 61846913223202.
It is a self number, because there is not a number n which added to its sum of digits gives 20232231964816.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15067671 + ... + 16355401.
It is an arithmetic number, because the mean of its divisors is an integer number (530293188528).
Almost surely, 220232231964816 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 20232231964816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21211727541120).
20232231964816 is an abundant number, since it is smaller than the sum of its proper divisors (22191223117424).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20232231964816 is a wasteful number, since it uses less digits than its factorization.
20232231964816 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1289032 (or 1289026 counting only the distinct ones).
The product of its (nonzero) digits is 1492992, while the sum is 49.
The spelling of 20232231964816 in words is "twenty trillion, two hundred thirty-two billion, two hundred thirty-one million, nine hundred sixty-four thousand, eight hundred sixteen".
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