Base | Representation |
---|---|
bin | 10111011110001101011000… |
… | …010110011010100010001100 |
3 | 111112111210022100210021002211 |
4 | 113132031120112122202030 |
5 | 102012314112413331340 |
6 | 1003315402041000204 |
7 | 30513123640354642 |
oct | 2736153026324214 |
9 | 445453270707084 |
10 | 103231021230220 |
11 | 2a9900372914a4 |
12 | b6b2a44183064 |
13 | 457a849abb630 |
14 | 1b6c59db0b192 |
15 | be0420a885ea |
hex | 5de35859a88c |
103231021230220 has 96 divisors (see below), whose sum is σ = 235809121806720. Its totient is φ = 37734413414400.
The previous prime is 103231021230131. The next prime is 103231021230317. The reversal of 103231021230220 is 22032120132301.
It is a junction number, because it is equal to n+sod(n) for n = 103231021230191 and 103231021230200.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7016116 + ... + 15990244.
It is an arithmetic number, because the mean of its divisors is an integer number (2456345018820).
Almost surely, 2103231021230220 is an apocalyptic number.
103231021230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 103231021230220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117904560903360).
103231021230220 is an abundant number, since it is smaller than the sum of its proper divisors (132578100576500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
103231021230220 is a wasteful number, since it uses less digits than its factorization.
103231021230220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8974595 (or 8974593 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 103231021230220 its reverse (22032120132301), we get a palindrome (125263141362521).
The spelling of 103231021230220 in words is "one hundred three trillion, two hundred thirty-one billion, twenty-one million, two hundred thirty thousand, two hundred twenty".
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