Base | Representation |
---|---|
bin | 111000110100001101… |
… | …1011111100101100100 |
3 | 102122221011110012021012 |
4 | 1301220123133211210 |
5 | 3444334321401040 |
6 | 132015013441352 |
7 | 11546356265624 |
oct | 1615033374544 |
9 | 378834405235 |
10 | 122011122020 |
11 | 47821108937 |
12 | 1b791340258 |
13 | b675a56bb8 |
14 | 5c96498884 |
15 | 3291813865 |
hex | 1c686df964 |
122011122020 has 96 divisors (see below), whose sum is σ = 261012326400. Its totient is φ = 47902984064.
The previous prime is 122011121989. The next prime is 122011122091. The reversal of 122011122020 is 20221110221.
It is a junction number, because it is equal to n+sod(n) for n = 122011121986 and 122011122004.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169695221 + ... + 169695939.
It is an arithmetic number, because the mean of its divisors is an integer number (2718878400).
Almost surely, 2122011122020 is an apocalyptic number.
122011122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122011122020 is an abundant number, since it is smaller than the sum of its proper divisors (139001204380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122011122020 is a wasteful number, since it uses less digits than its factorization.
122011122020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 122011122020 its reverse (20221110221), we get a palindrome (142232232241).
The spelling of 122011122020 in words is "one hundred twenty-two billion, eleven million, one hundred twenty-two thousand, twenty".
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