Base | Representation |
---|---|
bin | 11101110101001111110001… |
… | …110101001100010101001111 |
3 | 122012112211101110110221202011 |
4 | 131311033301311030111033 |
5 | 114144110030322302421 |
6 | 1143013321113042051 |
7 | 36431030233511242 |
oct | 3565176165142517 |
9 | 565484343427664 |
10 | 131202423244111 |
11 | 388946a95324aa |
12 | 1286baaa0b6327 |
13 | 5829448c0673b |
14 | 2458334477259 |
15 | 1027d21d9c4e1 |
hex | 7753f1d4c54f |
131202423244111 has 8 divisors (see below), whose sum is σ = 135457060801664. Its totient is φ = 126949179519360.
The previous prime is 131202423244091. The next prime is 131202423244163. The reversal of 131202423244111 is 111442324202131.
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 131202423244111 - 239 = 130652667430223 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131202423244181) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 348266886 + ... + 348643411.
It is an arithmetic number, because the mean of its divisors is an integer number (16932132600208).
Almost surely, 2131202423244111 is an apocalyptic number.
131202423244111 is a deficient number, since it is larger than the sum of its proper divisors (4254637557553).
131202423244111 is an equidigital number, since it uses as much as digits as its factorization.
131202423244111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 696916401.
The product of its (nonzero) digits is 9216, while the sum is 31.
Adding to 131202423244111 its reverse (111442324202131), we get a palindrome (242644747446242).
The spelling of 131202423244111 in words is "one hundred thirty-one trillion, two hundred two billion, four hundred twenty-three million, two hundred forty-four thousand, one hundred eleven".
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