Base | Representation |
---|---|
bin | 111101000000110001… |
… | …0011101111011000001 |
3 | 110112012011121020102210 |
4 | 1322001202131323001 |
5 | 4121313203041301 |
6 | 140105114532333 |
7 | 12315566206101 |
oct | 1720142357301 |
9 | 415164536383 |
10 | 131022315201 |
11 | 50625754728 |
12 | 214871370a9 |
13 | c480925b7b |
14 | 64ad185201 |
15 | 361c9a1ad6 |
hex | 1e8189dec1 |
131022315201 has 32 divisors (see below), whose sum is σ = 184688064000. Its totient is φ = 82504251648.
The previous prime is 131022315169. The next prime is 131022315209. The reversal of 131022315201 is 102513220131.
It is not a de Polignac number, because 131022315201 - 25 = 131022315169 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131022315209) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661711 + ... + 836603.
It is an arithmetic number, because the mean of its divisors is an integer number (5771502000).
Almost surely, 2131022315201 is an apocalyptic number.
It is an amenable number.
131022315201 is a deficient number, since it is larger than the sum of its proper divisors (53665748799).
131022315201 is a wasteful number, since it uses less digits than its factorization.
131022315201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175113.
The product of its (nonzero) digits is 360, while the sum is 21.
Adding to 131022315201 its reverse (102513220131), we get a palindrome (233535535332).
The spelling of 131022315201 in words is "one hundred thirty-one billion, twenty-two million, three hundred fifteen thousand, two hundred one".
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