Base | Representation |
---|---|
bin | 111101001010000000… |
… | …0101010010100101001 |
3 | 110112222202202001011202 |
4 | 1322110000222110221 |
5 | 4122432022021301 |
6 | 140155545133545 |
7 | 12326351311160 |
oct | 1722400522451 |
9 | 415882661152 |
10 | 131332220201 |
11 | 50774683966 |
12 | 21552a8a2b5 |
13 | c4ccbb1200 |
14 | 64dc3b63d7 |
15 | 3639cba66b |
hex | 1e9402a529 |
131332220201 has 24 divisors (see below), whose sum is σ = 162786282624. Its totient is φ = 103745940480.
The previous prime is 131332220183. The next prime is 131332220231. The reversal of 131332220201 is 102022233131.
It is a de Polignac number, because none of the positive numbers 2k-131332220201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131332220231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 658505 + ... + 834441.
It is an arithmetic number, because the mean of its divisors is an integer number (6782761776).
Almost surely, 2131332220201 is an apocalyptic number.
It is an amenable number.
131332220201 is a deficient number, since it is larger than the sum of its proper divisors (31454062423).
131332220201 is a wasteful number, since it uses less digits than its factorization.
131332220201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 176601 (or 176588 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 131332220201 its reverse (102022233131), we get a palindrome (233354453332).
The spelling of 131332220201 in words is "one hundred thirty-one billion, three hundred thirty-two million, two hundred twenty thousand, two hundred one".
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