Base | Representation |
---|---|
bin | 11101111000110000001110… |
… | …000010000101000110111101 |
3 | 122020101212102120010212220212 |
4 | 131320300032002011012331 |
5 | 114212032103111144041 |
6 | 1143320134313122205 |
7 | 36454321230031424 |
oct | 3570601602050675 |
9 | 566355376125825 |
10 | 131443414553021 |
11 | 389779258797aa |
12 | 128aa7456b9365 |
13 | 58460a379148c |
14 | 2465c766502bb |
15 | 102e228d6e8eb |
hex | 778c0e0851bd |
131443414553021 has 8 divisors (see below), whose sum is σ = 138372755553600. Its totient is φ = 124515200207520.
The previous prime is 131443414552999. The next prime is 131443414553053. The reversal of 131443414553021 is 120355414344131.
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 131443414553021 - 210 = 131443414551997 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 131443414553021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131443414553221) 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, 281424281 + ... + 281890958.
It is an arithmetic number, because the mean of its divisors is an integer number (17296594444200).
Almost surely, 2131443414553021 is an apocalyptic number.
It is an amenable number.
131443414553021 is a deficient number, since it is larger than the sum of its proper divisors (6929341000579).
131443414553021 is a wasteful number, since it uses less digits than its factorization.
131443414553021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 563327539.
The product of its (nonzero) digits is 345600, while the sum is 41.
Adding to 131443414553021 its reverse (120355414344131), we get a palindrome (251798828897152).
The spelling of 131443414553021 in words is "one hundred thirty-one trillion, four hundred forty-three billion, four hundred fourteen million, five hundred fifty-three thousand, twenty-one".
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