Base | Representation |
---|---|
bin | 10101001000101001… |
… | …000010111001000100 |
3 | 2011120112221002010221 |
4 | 111020221002321010 |
5 | 332434022241110 |
6 | 14231505354124 |
7 | 1432240020130 |
oct | 251051027104 |
9 | 64515832127 |
10 | 22693555780 |
11 | 9695a14385 |
12 | 4494038944 |
13 | 21a874611c |
14 | 1153d1c3c0 |
15 | 8cc47b7da |
hex | 548a42e44 |
22693555780 has 24 divisors (see below), whose sum is σ = 54464534208. Its totient is φ = 7780647648.
The previous prime is 22693555763. The next prime is 22693555783. The reversal of 22693555780 is 8755539622.
It is not an unprimeable number, because it can be changed into a prime (22693555783) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81048274 + ... + 81048553.
It is an arithmetic number, because the mean of its divisors is an integer number (2269355592).
Almost surely, 222693555780 is an apocalyptic number.
22693555780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22693555780 is an abundant number, since it is smaller than the sum of its proper divisors (31770978428).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22693555780 is a wasteful number, since it uses less digits than its factorization.
22693555780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 162096843 (or 162096841 counting only the distinct ones).
The product of its (nonzero) digits is 4536000, while the sum is 52.
The spelling of 22693555780 in words is "twenty-two billion, six hundred ninety-three million, five hundred fifty-five thousand, seven hundred eighty".
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