Base | Representation |
---|---|
bin | 11101110100010110101100… |
… | …000001000010000010100101 |
3 | 122012022222011022010102221000 |
4 | 131310112230001002002211 |
5 | 114142104004313303141 |
6 | 1142525222215143513 |
7 | 36423430160110320 |
oct | 3564265401020245 |
9 | 565288138112830 |
10 | 131141122400421 |
11 | 38870701831311 |
12 | 12860040674b99 |
13 | 5823729b07573 |
14 | 245539ad237b7 |
15 | 102643533e5b6 |
hex | 7745ac0420a5 |
131141122400421 has 64 divisors (see below), whose sum is σ = 236213145077760. Its totient is φ = 70195415028480.
The previous prime is 131141122400389. The next prime is 131141122400443. The reversal of 131141122400421 is 124004221141131.
131141122400421 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 4 + 11 + 224 + 0 + 0 + 421 = 666.
It is not a de Polignac number, because 131141122400421 - 25 = 131141122400389 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 (131141122400921) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 96041931 + ... + 97397816.
It is an arithmetic number, because the mean of its divisors is an integer number (3690830391840).
Almost surely, 2131141122400421 is an apocalyptic number.
It is an amenable number.
131141122400421 is a deficient number, since it is larger than the sum of its proper divisors (105072022677339).
131141122400421 is a wasteful number, since it uses less digits than its factorization.
131141122400421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 193439991 (or 193439985 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 27.
Adding to 131141122400421 its reverse (124004221141131), we get a palindrome (255145343541552).
The spelling of 131141122400421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, one hundred twenty-two million, four hundred thousand, four hundred twenty-one".
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