Base | Representation |
---|---|
bin | 11101110101001110100100… |
… | …110001001010011110110000 |
3 | 122012112201001100122201220122 |
4 | 131311032210301022132300 |
5 | 114144044403331423240 |
6 | 1143012544525425412 |
7 | 36430653214153253 |
oct | 3565164461123660 |
9 | 565481040581818 |
10 | 131201130342320 |
11 | 388940a5743225 |
12 | 1286b7a910b268 |
13 | 58292a10b55ac |
14 | 245825088309a |
15 | 1027c986104b5 |
hex | 7753a4c4a7b0 |
131201130342320 has 40 divisors (see below), whose sum is σ = 305045218892160. Its totient is φ = 52480006400000.
The previous prime is 131201130342307. The next prime is 131201130342371. The reversal of 131201130342320 is 23243031102131.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 131201130342320.
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, 2594816 + ... + 16405344.
It is an arithmetic number, because the mean of its divisors is an integer number (7626130472304).
Almost surely, 2131201130342320 is an apocalyptic number.
131201130342320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131201130342320 is an abundant number, since it is smaller than the sum of its proper divisors (173844088549840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131201130342320 is a wasteful number, since it uses less digits than its factorization.
131201130342320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13929293 (or 13929287 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 26.
Adding to 131201130342320 its reverse (23243031102131), we get a palindrome (154444161444451).
The spelling of 131201130342320 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred thirty million, three hundred forty-two thousand, three hundred twenty".
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