Base | Representation |
---|---|
bin | 11101111000111011000001… |
… | …110010010001110001010010 |
3 | 122020102222101101022002001100 |
4 | 131320323001302101301102 |
5 | 114212224340140302200 |
6 | 1143325334055245230 |
7 | 36455211642545346 |
oct | 3570730162216122 |
9 | 566388341262040 |
10 | 131455020244050 |
11 | 389818409a2198 |
12 | 128b0a44379816 |
13 | 5847203027b89 |
14 | 2466657b49626 |
15 | 102e6a7ba2d00 |
hex | 778ec1c91c52 |
131455020244050 has 72 divisors (see below), whose sum is σ = 373950869374836. Its totient is φ = 32992632529920.
The previous prime is 131455020243959. The next prime is 131455020244063. The reversal of 131455020244050 is 50442020554131.
131455020244050 is a `hidden beast` number, since 1 + 3 + 1 + 4 + 5 + 5 + 0 + 202 + 440 + 5 + 0 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 110894989587561 + 20560030656489 = 10530669^2 + 4534317^2 .
It is a junction number, because it is equal to n+sod(n) for n = 131455020243996 and 131455020244014.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8591823739 + ... + 8591839038.
Almost surely, 2131455020244050 is an apocalyptic number.
131455020244050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
131455020244050 is an abundant number, since it is smaller than the sum of its proper divisors (242495849130786).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
131455020244050 is a wasteful number, since it uses less digits than its factorization.
131455020244050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17183662812 (or 17183662804 counting only the distinct ones).
The product of its (nonzero) digits is 96000, while the sum is 36.
Adding to 131455020244050 its reverse (50442020554131), we get a palindrome (181897040798181).
The spelling of 131455020244050 in words is "one hundred thirty-one trillion, four hundred fifty-five billion, twenty million, two hundred forty-four thousand, fifty".
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