Base | Representation |
---|---|
bin | 11101110101100000001011… |
… | …010010110110111001001001 |
3 | 122012121111211112022002111102 |
4 | 131311200023102312321021 |
5 | 114144402110230221301 |
6 | 1143025352201511145 |
7 | 36432222451262504 |
oct | 3565401322667111 |
9 | 565544745262442 |
10 | 131220030320201 |
11 | 388a1114242359 |
12 | 128733a27a24b5 |
13 | 582acc3902464 |
14 | 2459124a2213b |
15 | 10285029ddb6b |
hex | 77580b4b6e49 |
131220030320201 has 8 divisors (see below), whose sum is σ = 138964030375680. Its totient is φ = 123478827458368.
The previous prime is 131220030320191. The next prime is 131220030320227. The reversal of 131220030320201 is 102023030022131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-131220030320201 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (131220030370201) 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, 699201821 + ... + 699389466.
It is an arithmetic number, because the mean of its divisors is an integer number (17370503796960).
Almost surely, 2131220030320201 is an apocalyptic number.
It is an amenable number.
131220030320201 is a deficient number, since it is larger than the sum of its proper divisors (7744000055479).
131220030320201 is a wasteful number, since it uses less digits than its factorization.
131220030320201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1398596823.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 131220030320201 its reverse (102023030022131), we get a palindrome (233243060342332).
The spelling of 131220030320201 in words is "one hundred thirty-one trillion, two hundred twenty billion, thirty million, three hundred twenty thousand, two hundred one".
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