Base | Representation |
---|---|
bin | 11101110100010110111000… |
… | …000011010011101001011101 |
3 | 122012022222200101002012012122 |
4 | 131310112320003103221131 |
5 | 114142104413011322141 |
6 | 1142525254231112325 |
7 | 36423435161324156 |
oct | 3564267003235135 |
9 | 565288611065178 |
10 | 131141324323421 |
11 | 388707a5808025 |
12 | 128600982126a5 |
13 | 582375c8b5c29 |
14 | 24553b9a8692d |
15 | 1026447e2864b |
hex | 7745b80d3a5d |
131141324323421 has 8 divisors (see below), whose sum is σ = 131222409416280. Its totient is φ = 131060240423488.
The previous prime is 131141324323411. The next prime is 131141324323511. The reversal of 131141324323421 is 124323423141131.
It can be written as a sum of positive squares in 4 ways, for example, as 27717588196 + 131113606735225 = 166486^2 + 11450485^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131141324323421 - 238 = 130866446416477 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 (131141324323411) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337140575 + ... + 337529331.
It is an arithmetic number, because the mean of its divisors is an integer number (16402801177035).
Almost surely, 2131141324323421 is an apocalyptic number.
It is an amenable number.
131141324323421 is a deficient number, since it is larger than the sum of its proper divisors (81085092859).
131141324323421 is a wasteful number, since it uses less digits than its factorization.
131141324323421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 596463.
The product of its digits is 41472, while the sum is 35.
Adding to 131141324323421 its reverse (124323423141131), we get a palindrome (255464747464552).
The spelling of 131141324323421 in words is "one hundred thirty-one trillion, one hundred forty-one billion, three hundred twenty-four million, three hundred twenty-three thousand, four hundred twenty-one".
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