Base | Representation |
---|---|
bin | 111000111010001001… |
… | …0001111011001101100 |
3 | 102200110000201102010220 |
4 | 1301310102033121230 |
5 | 4000241231214040 |
6 | 132050440531340 |
7 | 11554323025131 |
oct | 1616422173154 |
9 | 380400642126 |
10 | 122210023020 |
11 | 47913410128 |
12 | 1b827a80b50 |
13 | b6a8017bb7 |
14 | 5cb4a72588 |
15 | 32a40022d0 |
hex | 1c7448f66c |
122210023020 has 48 divisors (see below), whose sum is σ = 342212387328. Its totient is φ = 32587023040.
The previous prime is 122210022983. The next prime is 122210023021. The reversal of 122210023020 is 20320012221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is not an unprimeable number, because it can be changed into a prime (122210023021) by changing a digit.
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 15 ways as a sum of consecutive naturals, for example, 882967 + ... + 1011953.
It is an arithmetic number, because the mean of its divisors is an integer number (7129424736).
Almost surely, 2122210023020 is an apocalyptic number.
122210023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122210023020 is an abundant number, since it is smaller than the sum of its proper divisors (220002364308).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122210023020 is a wasteful number, since it uses less digits than its factorization.
122210023020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 144790 (or 144788 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 122210023020 its reverse (20320012221), we get a palindrome (142530035241).
The spelling of 122210023020 in words is "one hundred twenty-two billion, two hundred ten million, twenty-three thousand, twenty".
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