Base | Representation |
---|---|
bin | 11101110101100000011100… |
… | …100111101110001100111101 |
3 | 122012121112120210021021101010 |
4 | 131311200130213232030331 |
5 | 114144403204134033201 |
6 | 1143025441104105433 |
7 | 36432232611113256 |
oct | 3565403447561475 |
9 | 565545523237333 |
10 | 131220321002301 |
11 | 388a12533320a3 |
12 | 12873464005279 |
13 | 582b03bbb9cbb |
14 | 245915148bb2d |
15 | 102851d2abbd6 |
hex | 77581c9ee33d |
131220321002301 has 8 divisors (see below), whose sum is σ = 175012952912224. Its totient is φ = 87453951546960.
The previous prime is 131220321002299. The next prime is 131220321002341. The reversal of 131220321002301 is 103200123022131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131220321002301 - 21 = 131220321002299 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131220321002341) 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, 6565601986 + ... + 6565621971.
It is an arithmetic number, because the mean of its divisors is an integer number (21876619114028).
Almost surely, 2131220321002301 is an apocalyptic number.
It is an amenable number.
131220321002301 is a deficient number, since it is larger than the sum of its proper divisors (43792631909923).
131220321002301 is a wasteful number, since it uses less digits than its factorization.
131220321002301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13131227291.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 131220321002301 its reverse (103200123022131), we get a palindrome (234420444024432).
The spelling of 131220321002301 in words is "one hundred thirty-one trillion, two hundred twenty billion, three hundred twenty-one million, two thousand, three hundred one".
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