Base | Representation |
---|---|
bin | 111000010111000010… |
… | …0100001101111101100 |
3 | 102120101221002210221021 |
4 | 1300232010201233230 |
5 | 3440333144214040 |
6 | 131333520143524 |
7 | 11513200135606 |
oct | 1605604415754 |
9 | 376357083837 |
10 | 121032023020 |
11 | 47369470307 |
12 | 1b559467ba4 |
13 | b54ac5728c |
14 | 5c0242c176 |
15 | 32358b024a |
hex | 1c2e121bec |
121032023020 has 24 divisors (see below), whose sum is σ = 254174526144. Its totient is φ = 48411422976.
The previous prime is 121032023011. The next prime is 121032023023. The reversal of 121032023020 is 20320230121.
It is a junction number, because it is equal to n+sod(n) for n = 121032022985 and 121032023003.
It is not an unprimeable number, because it can be changed into a prime (121032023023) 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, 907549 + ... + 1032331.
It is an arithmetic number, because the mean of its divisors is an integer number (10590605256).
Almost surely, 2121032023020 is an apocalyptic number.
121032023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
121032023020 is an abundant number, since it is smaller than the sum of its proper divisors (133142503124).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121032023020 is a wasteful number, since it uses less digits than its factorization.
121032023020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 173289 (or 173287 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 121032023020 its reverse (20320230121), we get a palindrome (141352253141).
The spelling of 121032023020 in words is "one hundred twenty-one billion, thirty-two million, twenty-three thousand, twenty".
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