Base | Representation |
---|---|
bin | 111101000011000110… |
… | …0000010100011011100 |
3 | 110112101121101101122221 |
4 | 1322012030002203130 |
5 | 4121443140301022 |
6 | 140120542515124 |
7 | 12320534231152 |
oct | 1720614024334 |
9 | 415347341587 |
10 | 131100322012 |
11 | 50665794370 |
12 | 214a9295aa4 |
13 | c493b38c4a |
14 | 64b968d3d2 |
15 | 362475ecc7 |
hex | 1e863028dc |
131100322012 has 48 divisors (see below), whose sum is σ = 264779424000. Its totient is φ = 56170920960.
The previous prime is 131100321973. The next prime is 131100322019. The reversal of 131100322012 is 210223001131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131100322019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227653 + ... + 560380.
It is an arithmetic number, because the mean of its divisors is an integer number (5516238000).
Almost surely, 2131100322012 is an apocalyptic number.
It is an amenable number.
131100322012 is an abundant number, since it is smaller than the sum of its proper divisors (133679101988).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131100322012 is a wasteful number, since it uses less digits than its factorization.
131100322012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 788266 (or 788264 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 131100322012 its reverse (210223001131), we get a palindrome (341323323143).
The spelling of 131100322012 in words is "one hundred thirty-one billion, one hundred million, three hundred twenty-two thousand, twelve".
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