Base | Representation |
---|---|
bin | 111001000011011001… |
… | …0000011010110010001 |
3 | 102201020122122202200012 |
4 | 1302012302003112101 |
5 | 4001410202232040 |
6 | 132141324204305 |
7 | 11565111544562 |
oct | 1620662032621 |
9 | 381218582605 |
10 | 122520352145 |
11 | 47a625a9a84 |
12 | 1b8b3999695 |
13 | b7273c12b9 |
14 | 5d03d74169 |
15 | 32c13a1865 |
hex | 1c86c83591 |
122520352145 has 8 divisors (see below), whose sum is σ = 150443595456. Its totient is φ = 95736833136.
The previous prime is 122520352127. The next prime is 122520352181. The reversal of 122520352145 is 541253025221.
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 122520352145 - 26 = 122520352081 is a prime.
It is a super-2 number, since 2×1225203521452 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a Curzon 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, 284930837 + ... + 284931266.
It is an arithmetic number, because the mean of its divisors is an integer number (18805449432).
Almost surely, 2122520352145 is an apocalyptic number.
It is an amenable number.
122520352145 is a deficient number, since it is larger than the sum of its proper divisors (27923243311).
122520352145 is an equidigital number, since it uses as much as digits as its factorization.
122520352145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 569862151.
The product of its (nonzero) digits is 24000, while the sum is 32.
Adding to 122520352145 its reverse (541253025221), we get a palindrome (663773377366).
The spelling of 122520352145 in words is "one hundred twenty-two billion, five hundred twenty million, three hundred fifty-two thousand, one hundred forty-five".
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