Base | Representation |
---|---|
bin | 11101111000011010100000… |
… | …100001011001000100101111 |
3 | 122020022122020220021101110000 |
4 | 131320122200201121010233 |
5 | 114211141332210243043 |
6 | 1143301321145315343 |
7 | 36452534436204240 |
oct | 3570324041310457 |
9 | 566278226241400 |
10 | 131420102431023 |
11 | 38968a5278647a |
12 | 128a611a495b53 |
13 | 5843b29b4bb53 |
14 | 2464aa4514cc7 |
15 | 102d8124592d3 |
hex | 7786a085912f |
131420102431023 has 80 divisors (see below), whose sum is σ = 234124414571520. Its totient is φ = 71830584169344.
The previous prime is 131420102431001. The next prime is 131420102431031. The reversal of 131420102431023 is 320134201024131.
131420102431023 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 201 + 0 + 2 + 431 + 0 + 23 = 666.
It is not a de Polignac number, because 131420102431023 - 26 = 131420102430959 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131420102431523) by changing a digit.
It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 919149483 + ... + 919292451.
It is an arithmetic number, because the mean of its divisors is an integer number (2926555182144).
Almost surely, 2131420102431023 is an apocalyptic number.
131420102431023 is a deficient number, since it is larger than the sum of its proper divisors (102704312140497).
131420102431023 is a wasteful number, since it uses less digits than its factorization.
131420102431023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213498 (or 213489 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
Adding to 131420102431023 its reverse (320134201024131), we get a palindrome (451554303455154).
The spelling of 131420102431023 in words is "one hundred thirty-one trillion, four hundred twenty billion, one hundred two million, four hundred thirty-one thousand, twenty-three".
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