Base | Representation |
---|---|
bin | 10100100110100101… |
… | …001100111101010010 |
3 | 2010002201200021212020 |
4 | 110212211030331102 |
5 | 330301230414330 |
6 | 14055053512310 |
7 | 1412130641454 |
oct | 244645147522 |
9 | 63081607766 |
10 | 22122123090 |
11 | 94223a8561 |
12 | 43547a2696 |
13 | 2117240382 |
14 | 10dc0902d4 |
15 | 897203210 |
hex | 52694cf52 |
22122123090 has 32 divisors (see below), whose sum is σ = 54222739200. Its totient is φ = 5773716864.
The previous prime is 22122123083. The next prime is 22122123091. The reversal of 22122123090 is 9032122122.
It is a super-2 number, since 2×221221230902 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 22122123090.
It is not an unprimeable number, because it can be changed into a prime (22122123091) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7843315 + ... + 7846134.
It is an arithmetic number, because the mean of its divisors is an integer number (1694460600).
Almost surely, 222122123090 is an apocalyptic number.
22122123090 is an abundant number, since it is smaller than the sum of its proper divisors (32100616110).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22122123090 is a wasteful number, since it uses less digits than its factorization.
22122123090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15689506.
The product of its (nonzero) digits is 864, while the sum is 24.
The spelling of 22122123090 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-three thousand, ninety".
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