Base | Representation |
---|---|
bin | 110111111111011111… |
… | …100111010001010000 |
3 | 12202011221100220012112 |
4 | 313333133213101100 |
5 | 1441111442132430 |
6 | 43341430444452 |
7 | 4225566340454 |
oct | 677737472120 |
9 | 182157326175 |
10 | 60121052240 |
11 | 23551848437 |
12 | b79a503728 |
13 | 5891862032 |
14 | 2ca49a4664 |
15 | 186d1b5195 |
hex | dff7e7450 |
60121052240 has 20 divisors (see below), whose sum is σ = 139781446644. Its totient is φ = 24048420864.
The previous prime is 60121052221. The next prime is 60121052263. The reversal of 60121052240 is 4225012106.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 42787749904 + 17333302336 = 206852^2 + 131656^2 .
It is a tau number, because it is divible by the number of its divisors (20).
It is a super-2 number, since 2×601210522402 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375756497 + ... + 375756656.
Almost surely, 260121052240 is an apocalyptic number.
It is an amenable number.
60121052240 is an abundant number, since it is smaller than the sum of its proper divisors (79660394404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
60121052240 is a wasteful number, since it uses less digits than its factorization.
60121052240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 751513166 (or 751513160 counting only the distinct ones).
The product of its (nonzero) digits is 960, while the sum is 23.
Adding to 60121052240 its reverse (4225012106), we get a palindrome (64346064346).
The spelling of 60121052240 in words is "sixty billion, one hundred twenty-one million, fifty-two thousand, two hundred forty".
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