Base | Representation |
---|---|
bin | 100000010110111010110001… |
… | …111010001101111000101001 |
3 | 200122212221021000112112020012 |
4 | 200112322301322031320221 |
5 | 122123121324342322441 |
6 | 1222401232305141305 |
7 | 41655506466221330 |
oct | 4026726172157051 |
9 | 618787230475205 |
10 | 142312431214121 |
11 | 413883aa385503 |
12 | 13b6512932a835 |
13 | 615400a38826c |
14 | 271dd5bca8d17 |
15 | 116bd161c59eb |
hex | 816eb1e8de29 |
142312431214121 has 8 divisors (see below), whose sum is σ = 162656052339264. Its totient is φ = 121972128541200.
The previous prime is 142312431214099. The next prime is 142312431214127. The reversal of 142312431214121 is 121412134213241.
142312431214121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142312431214121 - 214 = 142312431197737 is a prime.
It is a super-2 number, since 2×1423124312141212 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142312431214127) 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, 829521155 + ... + 829692696.
It is an arithmetic number, because the mean of its divisors is an integer number (20332006542408).
Almost surely, 2142312431214121 is an apocalyptic number.
It is an amenable number.
142312431214121 is a deficient number, since it is larger than the sum of its proper divisors (20343621125143).
142312431214121 is a wasteful number, since it uses less digits than its factorization.
142312431214121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1659226111.
The product of its digits is 9216, while the sum is 32.
Adding to 142312431214121 its reverse (121412134213241), we get a palindrome (263724565427362).
The spelling of 142312431214121 in words is "one hundred forty-two trillion, three hundred twelve billion, four hundred thirty-one million, two hundred fourteen thousand, one hundred twenty-one".
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