Base | Representation |
---|---|
bin | 10100100110101001… |
… | …101110110011100110 |
3 | 2010002210220121102100 |
4 | 110212221232303212 |
5 | 330302031412220 |
6 | 14055135152530 |
7 | 1412144014653 |
oct | 244651566346 |
9 | 63083817370 |
10 | 22123310310 |
11 | 9423039532 |
12 | 4355075746 |
13 | 211756787a |
14 | 10dc2bcc2a |
15 | 897389d90 |
hex | 526a6ece6 |
22123310310 has 48 divisors (see below), whose sum is σ = 58744460736. Its totient is φ = 5774025984.
The previous prime is 22123310309. The next prime is 22123310323. The reversal of 22123310310 is 1301332122.
22123310310 is a `hidden beast` number, since 2 + 21 + 2 + 331 + 0 + 310 = 666.
It is a super-2 number, since 2×221233103102 (a number of 21 digits) contains 22 as substring.
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 pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2610819 + ... + 2619278.
It is an arithmetic number, because the mean of its divisors is an integer number (1223842932).
Almost surely, 222123310310 is an apocalyptic number.
22123310310 is an abundant number, since it is smaller than the sum of its proper divisors (36621150426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22123310310 is a wasteful number, since it uses less digits than its factorization.
22123310310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5230157 (or 5230154 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 22123310310 its reverse (1301332122), we get a palindrome (23424642432).
The spelling of 22123310310 in words is "twenty-two billion, one hundred twenty-three million, three hundred ten thousand, three hundred ten".
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