Base | Representation |
---|---|
bin | 111000111100110101… |
… | …0101010100111010100 |
3 | 102200200022121120100221 |
4 | 1301321222222213110 |
5 | 4000432334441040 |
6 | 132103424044124 |
7 | 11556500333305 |
oct | 1617152524724 |
9 | 380608546327 |
10 | 122300312020 |
11 | 4795a379637 |
12 | 1b852163644 |
13 | b6c093b543 |
14 | 5cc2a567ac |
15 | 32abdd974a |
hex | 1c79aaa9d4 |
122300312020 has 24 divisors (see below), whose sum is σ = 260348886504. Its totient is φ = 48249985536.
The previous prime is 122300312011. The next prime is 122300312027. The reversal of 122300312020 is 20213003221.
It can be written as a sum of positive squares in 4 ways, for example, as 50053323076 + 72246988944 = 223726^2 + 268788^2 .
It is a junction number, because it is equal to n+sod(n) for n = 122300311985 and 122300312003.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122300312027) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41882209 + ... + 41885128.
It is an arithmetic number, because the mean of its divisors is an integer number (10847870271).
Almost surely, 2122300312020 is an apocalyptic number.
122300312020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122300312020 is an abundant number, since it is smaller than the sum of its proper divisors (138048574484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122300312020 is a wasteful number, since it uses less digits than its factorization.
122300312020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83767419 (or 83767417 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 122300312020 its reverse (20213003221), we get a palindrome (142513315241).
The spelling of 122300312020 in words is "one hundred twenty-two billion, three hundred million, three hundred twelve thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •