Base | Representation |
---|---|
bin | 111101000000110000… |
… | …1010001001111011000 |
3 | 110112012011000021120212 |
4 | 1322001201101033120 |
5 | 4121313113013422 |
6 | 140105104110252 |
7 | 12315563430302 |
oct | 1720141211730 |
9 | 415164007525 |
10 | 131022001112 |
11 | 5062555a752 |
12 | 21487005388 |
13 | c480845c12 |
14 | 64ad102972 |
15 | 361c93d9e2 |
hex | 1e818513d8 |
131022001112 has 32 divisors (see below), whose sum is σ = 271426658400. Its totient is φ = 58976653824.
The previous prime is 131022001111. The next prime is 131022001139. The reversal of 131022001112 is 211100220131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131022001111) 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, 20940287 + ... + 20946542.
It is an arithmetic number, because the mean of its divisors is an integer number (8482083075).
Almost surely, 2131022001112 is an apocalyptic number.
It is an amenable number.
131022001112 is an abundant number, since it is smaller than the sum of its proper divisors (140404657288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131022001112 is a wasteful number, since it uses less digits than its factorization.
131022001112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41886875 (or 41886871 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 131022001112 its reverse (211100220131), we get a palindrome (342122221243).
The spelling of 131022001112 in words is "one hundred thirty-one billion, twenty-two million, one thousand, one hundred twelve".
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