Base | Representation |
---|---|
bin | 111000010000010011… |
… | …0100011010010100100 |
3 | 102112211011220202121201 |
4 | 1300200212203102210 |
5 | 3434402322424340 |
6 | 131255245052244 |
7 | 11504454402055 |
oct | 1604046432244 |
9 | 375734822551 |
10 | 120806061220 |
11 | 47262965919 |
12 | 1b4b5857084 |
13 | b5131b0080 |
14 | 5bc040c72c |
15 | 3220b2879a |
hex | 1c209a34a4 |
120806061220 has 48 divisors (see below), whose sum is σ = 277055589888. Its totient is φ = 43977064320.
The previous prime is 120806061217. The next prime is 120806061239. The reversal of 120806061220 is 22160608021.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3253644 + ... + 3290563.
It is an arithmetic number, because the mean of its divisors is an integer number (5771991456).
Almost surely, 2120806061220 is an apocalyptic number.
120806061220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120806061220 is an abundant number, since it is smaller than the sum of its proper divisors (156249528668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120806061220 is a wasteful number, since it uses less digits than its factorization.
120806061220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6544300 (or 6544298 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 28.
Adding to 120806061220 its reverse (22160608021), we get a palindrome (142966669241).
The spelling of 120806061220 in words is "one hundred twenty billion, eight hundred six million, sixty-one thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •