Base | Representation |
---|---|
bin | 10100101011111100… |
… | …110110110111001000 |
3 | 2010100000012012000220 |
4 | 110223330312313020 |
5 | 330442311210440 |
6 | 14112032430040 |
7 | 1414303446042 |
oct | 245374666710 |
9 | 63300165026 |
10 | 22212210120 |
11 | 9469239251 |
12 | 437a9a8320 |
13 | 212cac2ac9 |
14 | 110a020a92 |
15 | 8a009a8d0 |
hex | 52bf36dc8 |
22212210120 has 64 divisors (see below), whose sum is σ = 68934456000. Its totient is φ = 5719004928.
The previous prime is 22212210113. The next prime is 22212210131. The reversal of 22212210120 is 2101221222.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 22212210120.
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, 3187930 + ... + 3194889.
It is an arithmetic number, because the mean of its divisors is an integer number (1077100875).
Almost surely, 222212210120 is an apocalyptic number.
22212210120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22212210120 is an abundant number, since it is smaller than the sum of its proper divisors (46722245880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22212210120 is a wasteful number, since it uses less digits than its factorization.
22212210120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6382862 (or 6382858 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 22212210120 its reverse (2101221222), we get a palindrome (24313431342).
The spelling of 22212210120 in words is "twenty-two billion, two hundred twelve million, two hundred ten thousand, one hundred twenty".
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