Base | Representation |
---|---|
bin | 111000111101001001… |
… | …0010011011011101100 |
3 | 102200201001011110212200 |
4 | 1301322102103123230 |
5 | 4000443014442303 |
6 | 132104434501500 |
7 | 11556654551226 |
oct | 1617222233354 |
9 | 380631143780 |
10 | 122310702828 |
11 | 47965226386 |
12 | 1b855734890 |
13 | b6c2b38c52 |
14 | 5cc419d416 |
15 | 32acc8d3a3 |
hex | 1c7a4936ec |
122310702828 has 36 divisors (see below), whose sum is σ = 325446608760. Its totient is φ = 38624432256.
The previous prime is 122310702823. The next prime is 122310702853. The reversal of 122310702828 is 828207013221.
It is a tau number, because it is divible by the number of its divisors (36).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 122310702792 and 122310702801.
It is not an unprimeable number, because it can be changed into a prime (122310702821) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89407725 + ... + 89409092.
Almost surely, 2122310702828 is an apocalyptic number.
122310702828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
122310702828 is an abundant number, since it is smaller than the sum of its proper divisors (203135905932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122310702828 is a wasteful number, since it uses less digits than its factorization.
122310702828 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 178816846 (or 178816841 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The spelling of 122310702828 in words is "one hundred twenty-two billion, three hundred ten million, seven hundred two thousand, eight hundred twenty-eight".
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