Base | Representation |
---|---|
bin | 11101110101001110100101… |
… | …011010101000100011101100 |
3 | 122012112201002010010001020222 |
4 | 131311032211122220203230 |
5 | 114144044414122312140 |
6 | 1143012545554430512 |
7 | 36430653405441365 |
oct | 3565164532504354 |
9 | 565481063101228 |
10 | 131201141213420 |
11 | 38894100898903 |
12 | 1286b7b0892438 |
13 | 58292a34207b5 |
14 | 24582520b2b6c |
15 | 1027c9955b5b5 |
hex | 7753a56a88ec |
131201141213420 has 48 divisors (see below), whose sum is σ = 279652708862688. Its totient is φ = 51693831383040.
The previous prime is 131201141213413. The next prime is 131201141213537. The reversal of 131201141213420 is 24312141102131.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 131201141213420.
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, 17674844 + ... + 23975036.
It is an arithmetic number, because the mean of its divisors is an integer number (5826098101306).
Almost surely, 2131201141213420 is an apocalyptic number.
131201141213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131201141213420 is an abundant number, since it is smaller than the sum of its proper divisors (148451567649268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131201141213420 is a wasteful number, since it uses less digits than its factorization.
131201141213420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6315810 (or 6315808 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 26.
Adding to 131201141213420 its reverse (24312141102131), we get a palindrome (155513282315551).
The spelling of 131201141213420 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred forty-one million, two hundred thirteen thousand, four hundred twenty".
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