Base | Representation |
---|---|
bin | 10010101111011000… |
… | …100100000110010110 |
3 | 1220221100200211112100 |
4 | 102233120210012112 |
5 | 312202303240202 |
6 | 13124415102530 |
7 | 1311435623526 |
oct | 225730440626 |
9 | 56840624470 |
10 | 20122321302 |
11 | 8596586906 |
12 | 3a96b11a46 |
13 | 1b88b352c5 |
14 | d8c647686 |
15 | 7cb87e41c |
hex | 4af624196 |
20122321302 has 24 divisors (see below), whose sum is σ = 43785489384. Its totient is φ = 6678651744.
The previous prime is 20122321291. The next prime is 20122321319. The reversal of 20122321302 is 20312322102.
20122321302 is a `hidden beast` number, since 20 + 1 + 22 + 321 + 302 = 666.
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 11 ways as a sum of consecutive naturals, for example, 2394748 + ... + 2403135.
It is an arithmetic number, because the mean of its divisors is an integer number (1824395391).
Almost surely, 220122321302 is an apocalyptic number.
20122321302 is an abundant number, since it is smaller than the sum of its proper divisors (23663168082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20122321302 is a wasteful number, since it uses less digits than its factorization.
20122321302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4798124 (or 4798121 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 20122321302 its reverse (20312322102), we get a palindrome (40434643404).
The spelling of 20122321302 in words is "twenty billion, one hundred twenty-two million, three hundred twenty-one thousand, three hundred two".
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