Base | Representation |
---|---|
bin | 111101000000100010… |
… | …0010110101110101100 |
3 | 110112011121202012012112 |
4 | 1322001010112232230 |
5 | 4121304142441140 |
6 | 140104233423152 |
7 | 12315442131131 |
oct | 1720104265654 |
9 | 415147665175 |
10 | 131014421420 |
11 | 50621252a43 |
12 | 2148456aab8 |
13 | c47c0c0bac |
14 | 64ac0cc588 |
15 | 361be42c65 |
hex | 1e81116bac |
131014421420 has 12 divisors (see below), whose sum is σ = 275130285024. Its totient is φ = 52405768560.
The previous prime is 131014421383. The next prime is 131014421449. The reversal of 131014421420 is 24124410131.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3275360516 + ... + 3275360555.
It is an arithmetic number, because the mean of its divisors is an integer number (22927523752).
Almost surely, 2131014421420 is an apocalyptic number.
131014421420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
131014421420 is an abundant number, since it is smaller than the sum of its proper divisors (144115863604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131014421420 is a wasteful number, since it uses less digits than its factorization.
131014421420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6550721080 (or 6550721078 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 23.
Adding to 131014421420 its reverse (24124410131), we get a palindrome (155138831551).
The spelling of 131014421420 in words is "one hundred thirty-one billion, fourteen million, four hundred twenty-one thousand, four hundred twenty".
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