Base | Representation |
---|---|
bin | 10010111010000111… |
… | …001101011010010110 |
3 | 1221101220101210010000 |
4 | 102322013031122112 |
5 | 313034343240202 |
6 | 13154325112130 |
7 | 1316052612054 |
oct | 227207153226 |
9 | 57356353100 |
10 | 20302321302 |
11 | 867914953a |
12 | 3b27258646 |
13 | 1bb7209193 |
14 | da85011d4 |
15 | 7dc58791c |
hex | 4ba1cd696 |
20302321302 has 20 divisors (see below), whose sum is σ = 45492238836. Its totient is φ = 6767440380.
The previous prime is 20302321297. The next prime is 20302321327. The reversal of 20302321302 is 20312320302.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62661324 + ... + 62661647.
Almost surely, 220302321302 is an apocalyptic number.
20302321302 is an abundant number, since it is smaller than the sum of its proper divisors (25189917534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20302321302 is a wasteful number, since it uses less digits than its factorization.
20302321302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 125322985 (or 125322976 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 18.
Adding to 20302321302 its reverse (20312320302), we get a palindrome (40614641604).
The spelling of 20302321302 in words is "twenty billion, three hundred two million, three hundred twenty-one thousand, three hundred two".
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