Base | Representation |
---|---|
bin | 111101000011000111… |
… | …1011001101001001101 |
3 | 110112101200001011011220 |
4 | 1322012033121221031 |
5 | 4121443401444041 |
6 | 140121013433553 |
7 | 12320544560535 |
oct | 1720617315115 |
9 | 415350034156 |
10 | 131101203021 |
11 | 50666236278 |
12 | 214a963b8b9 |
13 | c494086c59 |
14 | 64b983c4c5 |
15 | 3624885d66 |
hex | 1e863d9a4d |
131101203021 has 8 divisors (see below), whose sum is σ = 177014282880. Its totient is φ = 86294462592.
The previous prime is 131101203011. The next prime is 131101203049. The reversal of 131101203021 is 120302101131.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 131101203021 - 27 = 131101202893 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131101203001) 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, 276584580 + ... + 276585053.
It is an arithmetic number, because the mean of its divisors is an integer number (22126785360).
Almost surely, 2131101203021 is an apocalyptic number.
It is an amenable number.
131101203021 is a deficient number, since it is larger than the sum of its proper divisors (45913079859).
131101203021 is an equidigital number, since it uses as much as digits as its factorization.
131101203021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 553169715.
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 131101203021 its reverse (120302101131), we get a palindrome (251403304152).
The spelling of 131101203021 in words is "one hundred thirty-one billion, one hundred one million, two hundred three thousand, twenty-one".
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