Base | Representation |
---|---|
bin | 1110001100000011001001… |
… | …00101100101000111011100 |
3 | 11002110201111122101011120220 |
4 | 13012001210211211013130 |
5 | 13042141233440323400 |
6 | 150205122253041340 |
7 | 6400102156214565 |
oct | 706014445450734 |
9 | 132421448334526 |
10 | 31200330011100 |
11 | 9a39a9299a398 |
12 | 35ba9bb486250 |
13 | 1454242201aa3 |
14 | 79c16565b16c |
15 | 3918d39507a0 |
hex | 1c60649651dc |
31200330011100 has 216 divisors, whose sum is σ = 91325152826544. Its totient is φ = 8224100352000.
The previous prime is 31200330011093. The next prime is 31200330011107. The reversal of 31200330011100 is 111003300213.
It is an interprime number because it is at equal distance from previous prime (31200330011093) and next prime (31200330011107).
It is a super-2 number, since 2×312003300111002 (a number of 28 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 31200330011100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31200330011107) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1323101310 + ... + 1323124890.
Almost surely, 231200330011100 is an apocalyptic number.
31200330011100 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 31200330011100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45662576413272).
31200330011100 is an abundant number, since it is smaller than the sum of its proper divisors (60124822815444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
31200330011100 is a wasteful number, since it uses less digits than its factorization.
31200330011100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24117 (or 23979 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
Adding to 31200330011100 its reverse (111003300213), we get a palindrome (31311333311313).
The spelling of 31200330011100 in words is "thirty-one trillion, two hundred billion, three hundred thirty million, eleven thousand, one hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •