Base | Representation |
---|---|
bin | 11101110101001111100101… |
… | …111001010101101100011010 |
3 | 122012112210212111200201120010 |
4 | 131311033211321111230122 |
5 | 114144104123042120232 |
6 | 1143013245201142350 |
7 | 36431022252505152 |
oct | 3565174571255432 |
9 | 565483774621503 |
10 | 131202223004442 |
11 | 388946064a6477 |
12 | 1286ba5302a9b6 |
13 | 5829416597325 |
14 | 2458315a31762 |
15 | 1027d0e4e70cc |
hex | 7753e5e55b1a |
131202223004442 has 64 divisors (see below), whose sum is σ = 274650865053696. Its totient is φ = 41704646364480.
The previous prime is 131202223004407. The next prime is 131202223004449. The reversal of 131202223004442 is 244400322202131.
It is not an unprimeable number, because it can be changed into a prime (131202223004449) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2216860783 + ... + 2216919965.
It is an arithmetic number, because the mean of its divisors is an integer number (4291419766464).
Almost surely, 2131202223004442 is an apocalyptic number.
131202223004442 is an abundant number, since it is smaller than the sum of its proper divisors (143448642049254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131202223004442 is a wasteful number, since it uses less digits than its factorization.
131202223004442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 108075.
The product of its (nonzero) digits is 18432, while the sum is 30.
Adding to 131202223004442 its reverse (244400322202131), we get a palindrome (375602545206573).
The spelling of 131202223004442 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-three million, four thousand, four hundred forty-two".
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