Base | Representation |
---|---|
bin | 10110001000000100111… |
… | …001001110000011110001 |
3 | 12101100200022000001000211 |
4 | 112020010321032003301 |
5 | 144402441114001231 |
6 | 3122301443144121 |
7 | 214565264161543 |
oct | 26100471160361 |
9 | 5340608001024 |
10 | 1520500531441 |
11 | 536927a02061 |
12 | 206824675041 |
13 | b04c8701198 |
14 | 53842205693 |
15 | 29842035eb1 |
hex | 16204e4e0f1 |
1520500531441 has 8 divisors (see below), whose sum is σ = 1521163123200. Its totient is φ = 1519838093280.
The previous prime is 1520500531423. The next prime is 1520500531513. The reversal of 1520500531441 is 1441350050251.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1520500531441 - 219 = 1520500007153 is a prime.
It is a super-2 number, since 2×15205005314412 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1520500537441) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22562925 + ... + 22630213.
It is an arithmetic number, because the mean of its divisors is an integer number (190145390400).
Almost surely, 21520500531441 is an apocalyptic number.
It is an amenable number.
1520500531441 is a deficient number, since it is larger than the sum of its proper divisors (662591759).
1520500531441 is an equidigital number, since it uses as much as digits as its factorization.
1520500531441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76799.
The product of its (nonzero) digits is 12000, while the sum is 31.
Adding to 1520500531441 its reverse (1441350050251), we get a palindrome (2961850581692).
The spelling of 1520500531441 in words is "one trillion, five hundred twenty billion, five hundred million, five hundred thirty-one thousand, four hundred forty-one".
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