Base | Representation |
---|---|
bin | 10100100010100000… |
… | …001110110110110000 |
3 | 2002220221221121111111 |
4 | 110202200032312300 |
5 | 330131222230110 |
6 | 14044211323104 |
7 | 1410340311226 |
oct | 244240166660 |
9 | 62827847444 |
10 | 22053711280 |
11 | 9397821777 |
12 | 43358b0494 |
13 | 2106009703 |
14 | 10d2d62b16 |
15 | 8911dce8a |
hex | 52280edb0 |
22053711280 has 80 divisors (see below), whose sum is σ = 52318954944. Its totient is φ = 8642350080.
The previous prime is 22053711269. The next prime is 22053711313. The reversal of 22053711280 is 8211735022.
It is a tau number, because it is divible by the number of its divisors (80).
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, 3206245 + ... + 3213115.
Almost surely, 222053711280 is an apocalyptic number.
22053711280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 22053711280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26159477472).
22053711280 is an abundant number, since it is smaller than the sum of its proper divisors (30265243664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22053711280 is a wasteful number, since it uses less digits than its factorization.
22053711280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7694 (or 7688 counting only the distinct ones).
The product of its (nonzero) digits is 6720, while the sum is 31.
The spelling of 22053711280 in words is "twenty-two billion, fifty-three million, seven hundred eleven thousand, two hundred eighty".
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