Base | Representation |
---|---|
bin | 1011100011010111… |
… | …1000000111011110 |
3 | 22000010022210022020 |
4 | 2320311320013132 |
5 | 22322342144410 |
6 | 1231420001010 |
7 | 136564115631 |
oct | 27065700736 |
9 | 8003283266 |
10 | 3101131230 |
11 | 135156487a |
12 | 726690166 |
13 | 3a5632bc2 |
14 | 215c0dc18 |
15 | 1323bda70 |
hex | b8d781de |
3101131230 has 64 divisors (see below), whose sum is σ = 7594585920. Its totient is φ = 810141696.
The previous prime is 3101131223. The next prime is 3101131277. The reversal of 3101131230 is 321311013.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1603344 + ... + 1605276.
It is an arithmetic number, because the mean of its divisors is an integer number (118665405).
Almost surely, 23101131230 is an apocalyptic number.
3101131230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 3101131230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3797292960).
3101131230 is an abundant number, since it is smaller than the sum of its proper divisors (4493454690).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3101131230 is a wasteful number, since it uses less digits than its factorization.
3101131230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3005.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 3101131230 is about 55687.8014469956. The cubic root of 3101131230 is about 1458.2770740601.
Adding to 3101131230 its reverse (321311013), we get a palindrome (3422442243).
The spelling of 3101131230 in words is "three billion, one hundred one million, one hundred thirty-one thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •