Base | Representation |
---|---|
bin | 11101110010100110010010… |
… | …111101110010000110011100 |
3 | 122011220102122221121102220201 |
4 | 131302212102331302012130 |
5 | 114133114331404042022 |
6 | 1142353543253353244 |
7 | 36411625501321660 |
oct | 3562462275620634 |
9 | 564812587542821 |
10 | 131020443034012 |
11 | 38824504440154 |
12 | 12840781338824 |
13 | 5815236c5674c |
14 | 244d5cd6948a0 |
15 | 10232208e0127 |
hex | 772992f7219c |
131020443034012 has 12 divisors (see below), whose sum is σ = 262040886068080. Its totient is φ = 56151618443136.
The previous prime is 131020443033973. The next prime is 131020443034037. The reversal of 131020443034012 is 210430344020131.
It is a happy number.
131020443034012 is an admirable number.
It is a super-2 number, since 2×1310204430340122 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 4679301536929 = 131020443034012 / (1 + 3 + 1 + 0 + 2 + 0 + 4 + 4 + 3 + 0 + 3 + 4 + 0 + 1 + 2).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2339650768437 + ... + 2339650768492.
Almost surely, 2131020443034012 is an apocalyptic number.
It is an amenable number.
131020443034012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131020443034012 is a wasteful number, since it uses less digits than its factorization.
131020443034012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4679301536940 (or 4679301536938 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 131020443034012 its reverse (210430344020131), we get a palindrome (341450787054143).
The spelling of 131020443034012 in words is "one hundred thirty-one trillion, twenty billion, four hundred forty-three million, thirty-four thousand, twelve".
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