Base | Representation |
---|---|
bin | 11101111000001001110111… |
… | …010000110001111100101101 |
3 | 122020020221010100210011111111 |
4 | 131320021313100301330231 |
5 | 114210343231431411141 |
6 | 1143245203512352021 |
7 | 36451332523020604 |
oct | 3570116720617455 |
9 | 566227110704444 |
10 | 131402230341421 |
11 | 38961411418a96 |
12 | 128a27710a5611 |
13 | 584223c284bc0 |
14 | 2463c8aaa2a3b |
15 | 102d11841a381 |
hex | 778277431f2d |
131402230341421 has 8 divisors (see below), whose sum is σ = 147662707006080. Its totient is φ = 116020698361392.
The previous prime is 131402230341397. The next prime is 131402230341457. The reversal of 131402230341421 is 124143032204131.
It is a happy number.
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 131402230341421 - 215 = 131402230308653 is a prime.
It is a super-2 number, since 2×1314022303414212 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131402230342421) 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, 219736170841 + ... + 219736171438.
It is an arithmetic number, because the mean of its divisors is an integer number (18457838375760).
Almost surely, 2131402230341421 is an apocalyptic number.
It is an amenable number.
131402230341421 is a deficient number, since it is larger than the sum of its proper divisors (16260476664659).
131402230341421 is a wasteful number, since it uses less digits than its factorization.
131402230341421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 439472342315.
The product of its (nonzero) digits is 13824, while the sum is 31.
Adding to 131402230341421 its reverse (124143032204131), we get a palindrome (255545262545552).
The spelling of 131402230341421 in words is "one hundred thirty-one trillion, four hundred two billion, two hundred thirty million, three hundred forty-one thousand, four hundred twenty-one".
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