Base | Representation |
---|---|
bin | 11110100110101100011… |
… | …000111011010001010000 |
3 | 21110001112211102210211110 |
4 | 132212230120323101100 |
5 | 233424203043114440 |
6 | 4250055401013320 |
7 | 304642360302654 |
oct | 36465430732120 |
9 | 7401484383743 |
10 | 2103131223120 |
11 | 740a29824194 |
12 | 29b726484240 |
13 | 12342a9b1755 |
14 | 73b13714a64 |
15 | 39a9207c080 |
hex | 1e9ac63b450 |
2103131223120 has 320 divisors, whose sum is σ = 6952514010624. Its totient is φ = 524085166080.
The previous prime is 2103131223113. The next prime is 2103131223157. The reversal of 2103131223120 is 213221313012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 548688724 + ... + 548692556.
Almost surely, 22103131223120 is an apocalyptic number.
2103131223120 is a gapful number since it is divisible by the number (20) 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 2103131223120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3476257005312).
2103131223120 is an abundant number, since it is smaller than the sum of its proper divisors (4849382787504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2103131223120 is a wasteful number, since it uses less digits than its factorization.
2103131223120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4790 (or 4784 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 2103131223120 its reverse (213221313012), we get a palindrome (2316352536132).
The spelling of 2103131223120 in words is "two trillion, one hundred three billion, one hundred thirty-one million, two hundred twenty-three thousand, one hundred twenty".
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