Base | Representation |
---|---|
bin | 10010111011010011… |
… | …011111111011000110 |
3 | 1221110022000211021010 |
4 | 102323103133323012 |
5 | 313110003220240 |
6 | 13200321503050 |
7 | 1316414604363 |
oct | 227323377306 |
9 | 57408024233 |
10 | 20322320070 |
11 | 8689468948 |
12 | 3b31aa1a86 |
13 | 1bbb3bbb80 |
14 | dab02946a |
15 | 7de1d8280 |
hex | 4bb4dfec6 |
20322320070 has 128 divisors (see below), whose sum is σ = 53452256256. Its totient is φ = 4914556416.
The previous prime is 20322320069. The next prime is 20322320089. The reversal of 20322320070 is 7002322302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12724512 + ... + 12726108.
It is an arithmetic number, because the mean of its divisors is an integer number (417595752).
Almost surely, 220322320070 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20322320070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26726128128).
20322320070 is an abundant number, since it is smaller than the sum of its proper divisors (33129936186).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20322320070 is a wasteful number, since it uses less digits than its factorization.
20322320070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2174.
The product of its (nonzero) digits is 1008, while the sum is 21.
Adding to 20322320070 its reverse (7002322302), we get a palindrome (27324642372).
The spelling of 20322320070 in words is "twenty billion, three hundred twenty-two million, three hundred twenty thousand, seventy".
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