Base | Representation |
---|---|
bin | 1000010000100011001… |
… | …0010010011111010111 |
3 | 111120012221201220120201 |
4 | 2010020302102133113 |
5 | 4311033104241211 |
6 | 145102425041331 |
7 | 13151644222303 |
oct | 2041062223727 |
9 | 446187656521 |
10 | 141881321431 |
11 | 55198341843 |
12 | 235b7926247 |
13 | 104c1585a45 |
14 | 6c1d432d03 |
15 | 3a55e900c1 |
hex | 2108c927d7 |
141881321431 has 4 divisors (see below), whose sum is σ = 142210512864. Its totient is φ = 141552130000.
The previous prime is 141881321429. The next prime is 141881321473. The reversal of 141881321431 is 134123188141.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 141881321431 - 21 = 141881321429 is a prime.
It is a super-2 number, since 2×1418813214312 (a number of 23 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 (141881325431) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164595070 + ... + 164595931.
It is an arithmetic number, because the mean of its divisors is an integer number (35552628216).
Almost surely, 2141881321431 is an apocalyptic number.
141881321431 is a deficient number, since it is larger than the sum of its proper divisors (329191433).
141881321431 is an equidigital number, since it uses as much as digits as its factorization.
141881321431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 329191432.
The product of its digits is 18432, while the sum is 37.
The spelling of 141881321431 in words is "one hundred forty-one billion, eight hundred eighty-one million, three hundred twenty-one thousand, four hundred thirty-one".
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