Base | Representation |
---|---|
bin | 10001111011011111000… |
… | …100110100111000101100 |
3 | 11100210021101121012220202 |
4 | 101323133010310320230 |
5 | 130141321411343040 |
6 | 2342004224133032 |
7 | 155005444443524 |
oct | 21733704647054 |
9 | 4323241535822 |
10 | 1232103231020 |
11 | 435594175782 |
12 | 17a958a67178 |
13 | 8c25762c4ac |
14 | 438c4020684 |
15 | 220b32b9015 |
hex | 11edf134e2c |
1232103231020 has 24 divisors (see below), whose sum is σ = 2591415910944. Its totient is φ = 492079554176.
The previous prime is 1232103231001. The next prime is 1232103231091. The reversal of 1232103231020 is 201323012321.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1232103230983 and 1232103231001.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47595377 + ... + 47621256.
It is an arithmetic number, because the mean of its divisors is an integer number (107975662956).
Almost surely, 21232103231020 is an apocalyptic number.
1232103231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1232103231020 is an abundant number, since it is smaller than the sum of its proper divisors (1359312679924).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1232103231020 is a wasteful number, since it uses less digits than its factorization.
1232103231020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95217289 (or 95217287 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 1232103231020 its reverse (201323012321), we get a palindrome (1433426243341).
The spelling of 1232103231020 in words is "one trillion, two hundred thirty-two billion, one hundred three million, two hundred thirty-one thousand, twenty".
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