Base | Representation |
---|---|
bin | 11100110111110100… |
… | …100111010001011100 |
3 | 2222000112102201212210 |
4 | 130313310213101130 |
5 | 1001442313412200 |
6 | 22124121400420 |
7 | 2145145534602 |
oct | 346764472134 |
9 | 88015381783 |
10 | 31001310300 |
11 | 12169482304 |
12 | 6012339110 |
13 | 2c009707bc |
14 | 1701417872 |
15 | c169b8650 |
hex | 737d2745c |
31001310300 has 144 divisors (see below), whose sum is σ = 92957487840. Its totient is φ = 7967554560.
The previous prime is 31001310293. The next prime is 31001310331. The reversal of 31001310300 is 301310013.
It is a super-3 number, since 3×310013103003 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5330194 + ... + 5336006.
It is an arithmetic number, because the mean of its divisors is an integer number (645538110).
Almost surely, 231001310300 is an apocalyptic number.
31001310300 is a gapful number since it is divisible by the number (30) 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 31001310300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46478743920).
31001310300 is an abundant number, since it is smaller than the sum of its proper divisors (61956177540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31001310300 is a wasteful number, since it uses less digits than its factorization.
31001310300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6472 (or 6465 counting only the distinct ones).
The product of its (nonzero) digits is 27, while the sum is 12.
Adding to 31001310300 its reverse (301310013), we get a palindrome (31302620313).
The spelling of 31001310300 in words is "thirty-one billion, one million, three hundred ten thousand, three hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •