Base | Representation |
---|---|
bin | 10100111010101110… |
… | …11111010111110000 |
3 | 1001222122102222002202 |
4 | 22131113133113300 |
5 | 140444402142222 |
6 | 5054204202332 |
7 | 545202255653 |
oct | 123527372760 |
9 | 31878388082 |
10 | 11230115312 |
11 | 484311a939 |
12 | 2214b393a8 |
13 | 109c7c7260 |
14 | 78769189a |
15 | 45ad96892 |
hex | 29d5df5f0 |
11230115312 has 40 divisors (see below), whose sum is σ = 23486621760. Its totient is φ = 5171063040.
The previous prime is 11230115297. The next prime is 11230115321. The reversal of 11230115312 is 21351103211.
It is a super-2 number, since 2×112301153122 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27014 + ... + 152282.
It is an arithmetic number, because the mean of its divisors is an integer number (587165544).
Almost surely, 211230115312 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 11230115312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11743310880).
11230115312 is an abundant number, since it is smaller than the sum of its proper divisors (12256506448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11230115312 is a wasteful number, since it uses less digits than its factorization.
11230115312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 125721 (or 125715 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 20.
Adding to 11230115312 its reverse (21351103211), we get a palindrome (32581218523).
The spelling of 11230115312 in words is "eleven billion, two hundred thirty million, one hundred fifteen thousand, three hundred twelve".
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