Base | Representation |
---|---|
bin | 1101101111010000100101… |
… | …01010001010000000111100 |
3 | 10221222011011102001101110220 |
4 | 12313220102222022000330 |
5 | 12424434324412013040 |
6 | 144130443235301340 |
7 | 6235452354320130 |
oct | 667502252120074 |
9 | 127864142041426 |
10 | 30211113001020 |
11 | 9698508761416 |
12 | 347b14874a850 |
13 | 13b1b84bcc073 |
14 | 7663233553c0 |
15 | 375cd8bae2d0 |
hex | 1b7a12a8a03c |
30211113001020 has 192 divisors, whose sum is σ = 97363234676736. Its totient is φ = 6856360162560.
The previous prime is 30211113001001. The next prime is 30211113001051. The reversal of 30211113001020 is 2010031111203.
It is a happy number.
It is a super-2 number, since 2×302111130010202 (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 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, 70368247 + ... + 70796273.
It is an arithmetic number, because the mean of its divisors is an integer number (507100180608).
Almost surely, 230211113001020 is an apocalyptic number.
30211113001020 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 30211113001020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48681617338368).
30211113001020 is an abundant number, since it is smaller than the sum of its proper divisors (67152121675716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30211113001020 is a wasteful number, since it uses less digits than its factorization.
30211113001020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 429240 (or 429238 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 30211113001020 its reverse (2010031111203), we get a palindrome (32221144112223).
The spelling of 30211113001020 in words is "thirty trillion, two hundred eleven billion, one hundred thirteen million, one thousand, twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •