Base | Representation |
---|---|
bin | 1000010010100100110… |
… | …0101100011000001001 |
3 | 111121121211222102220201 |
4 | 2010221030230120021 |
5 | 4313141312122441 |
6 | 145232412252201 |
7 | 13201266331603 |
oct | 2045114543011 |
9 | 447554872821 |
10 | 142425114121 |
11 | 5544729a294 |
12 | 23729a71061 |
13 | 1057a131a74 |
14 | 6c71748173 |
15 | 3a88aa8c31 |
hex | 212932c609 |
142425114121 has 8 divisors (see below), whose sum is σ = 142557417800. Its totient is φ = 142292868480.
The previous prime is 142425114053. The next prime is 142425114137. The reversal of 142425114121 is 121411524241.
It can be written as a sum of positive squares in 4 ways, for example, as 1349754121 + 141075360000 = 36739^2 + 375600^2 .
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 142425114121 - 27 = 142425113993 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 142425114121.
It is not an unprimeable number, because it can be changed into a prime (142425114721) 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, 6000445 + ... + 6024133.
It is an arithmetic number, because the mean of its divisors is an integer number (17819677225).
Almost surely, 2142425114121 is an apocalyptic number.
It is an amenable number.
142425114121 is a deficient number, since it is larger than the sum of its proper divisors (132303679).
142425114121 is a wasteful number, since it uses less digits than its factorization.
142425114121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29019.
The product of its digits is 2560, while the sum is 28.
Adding to 142425114121 its reverse (121411524241), we get a palindrome (263836638362).
The spelling of 142425114121 in words is "one hundred forty-two billion, four hundred twenty-five million, one hundred fourteen thousand, one hundred twenty-one".
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