Base | Representation |
---|---|
bin | 11101110100010110111000… |
… | …011001011101110111000101 |
3 | 122012022222200210000022122210 |
4 | 131310112320121131313011 |
5 | 114142104421003214141 |
6 | 1142525254555414033 |
7 | 36423435261600060 |
oct | 3564267031356705 |
9 | 565288623008583 |
10 | 131141330132421 |
11 | 388707a9015454 |
12 | 1286009a154319 |
13 | 5823760b6accb |
14 | 24553ba7598d7 |
15 | 10264486c4916 |
hex | 7745b865ddc5 |
131141330132421 has 16 divisors (see below), whose sum is σ = 199875115740800. Its totient is φ = 74922637462848.
The previous prime is 131141330132419. The next prime is 131141330132441. The reversal of 131141330132421 is 124231033141131.
It is a happy number.
It is not a de Polignac number, because 131141330132421 - 21 = 131141330132419 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131141330132441) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635955706 + ... + 636161883.
It is an arithmetic number, because the mean of its divisors is an integer number (12492194733800).
Almost surely, 2131141330132421 is an apocalyptic number.
It is an amenable number.
131141330132421 is a deficient number, since it is larger than the sum of its proper divisors (68733785608379).
131141330132421 is a wasteful number, since it uses less digits than its factorization.
131141330132421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1272122508.
The product of its (nonzero) digits is 5184, while the sum is 30.
Adding to 131141330132421 its reverse (124231033141131), we get a palindrome (255372363273552).
The spelling of 131141330132421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, three hundred thirty million, one hundred thirty-two thousand, four hundred twenty-one".
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