Base | Representation |
---|---|
bin | 110101101001100101… |
… | …1000000000011000100 |
3 | 102000101022202100000000 |
4 | 1223103023000003010 |
5 | 3341423234313202 |
6 | 124532213321300 |
7 | 11216030030454 |
oct | 1532313000304 |
9 | 360338670000 |
10 | 115212026052 |
11 | 44952204462 |
12 | 1a3b4336230 |
13 | ab312638a6 |
14 | 580d4b7d64 |
15 | 2ee498191c |
hex | 1ad32c00c4 |
115212026052 has 108 divisors (see below), whose sum is σ = 315566387136. Its totient is φ = 36734076720.
The previous prime is 115212026021. The next prime is 115212026053. The reversal of 115212026052 is 250620212511.
115212026052 is a `hidden beast` number, since 1 + 1 + 52 + 1 + 2 + 0 + 2 + 605 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (108).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (115212026053) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 508177 + ... + 699047.
It is an arithmetic number, because the mean of its divisors is an integer number (2921910992).
Almost surely, 2115212026052 is an apocalyptic number.
115212026052 is a gapful number since it is divisible by the number (12) 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 115212026052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157783193568).
115212026052 is an abundant number, since it is smaller than the sum of its proper divisors (200354361084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
115212026052 is an equidigital number, since it uses as much as digits as its factorization.
115212026052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190922 (or 190899 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 115212026052 its reverse (250620212511), we get a palindrome (365832238563).
The spelling of 115212026052 in words is "one hundred fifteen billion, two hundred twelve million, twenty-six thousand, fifty-two".
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