Base | Representation |
---|---|
bin | 111111100001001… |
… | …1101111001110000 |
3 | 12111112111221221102 |
4 | 1333002131321300 |
5 | 13331111300300 |
6 | 551254143532 |
7 | 103550126504 |
oct | 17702357160 |
9 | 5445457842 |
10 | 2131353200 |
11 | 9a4103229 |
12 | 4b5951ba8 |
13 | 27c747a52 |
14 | 1630cc304 |
15 | c71ac0d5 |
hex | 7f09de70 |
2131353200 has 60 divisors (see below), whose sum is σ = 5145047928. Its totient is φ = 848467200.
The previous prime is 2131353193. The next prime is 2131353271. The reversal of 2131353200 is 23531312.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71774 + ... + 97026.
Almost surely, 22131353200 is an apocalyptic number.
2131353200 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 2131353200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2572523964).
2131353200 is an abundant number, since it is smaller than the sum of its proper divisors (3013694728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131353200 is a wasteful number, since it uses less digits than its factorization.
2131353200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25482 (or 25471 counting only the distinct ones).
The product of its (nonzero) digits is 540, while the sum is 20.
The square root of 2131353200 is about 46166.5809866834. The cubic root of 2131353200 is about 1286.9207649907.
Adding to 2131353200 its reverse (23531312), we get a palindrome (2154884512).
The spelling of 2131353200 in words is "two billion, one hundred thirty-one million, three hundred fifty-three thousand, two hundred".
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