Base | Representation |
---|---|
bin | 1000010001110001100… |
… | …0010011010110011011 |
3 | 111121001212022020020200 |
4 | 2010130120103112123 |
5 | 4312221233203111 |
6 | 145155210553243 |
7 | 13163045340030 |
oct | 2043430232633 |
9 | 447055266220 |
10 | 142210053531 |
11 | 55346960067 |
12 | 23689a38823 |
13 | 10544703690 |
14 | 6c50d65387 |
15 | 3a74c77256 |
hex | 211c61359b |
142210053531 has 96 divisors (see below), whose sum is σ = 259985037312. Its totient is φ = 72899550720.
The previous prime is 142210053523. The next prime is 142210053541. The reversal of 142210053531 is 135350012241.
142210053531 is a `hidden beast` number, since 1 + 4 + 22 + 100 + 5 + 3 + 531 = 666.
It is not a de Polignac number, because 142210053531 - 23 = 142210053523 is a prime.
It is a super-2 number, since 2×1422100535312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 142210053495 and 142210053504.
It is not an unprimeable number, because it can be changed into a prime (142210053541) 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 95 ways as a sum of consecutive naturals, for example, 8823226 + ... + 8839328.
It is an arithmetic number, because the mean of its divisors is an integer number (2708177472).
Almost surely, 2142210053531 is an apocalyptic number.
142210053531 is a deficient number, since it is larger than the sum of its proper divisors (117774983781).
142210053531 is a wasteful number, since it uses less digits than its factorization.
142210053531 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16433 (or 16430 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 27.
Adding to 142210053531 its reverse (135350012241), we get a palindrome (277560065772).
The spelling of 142210053531 in words is "one hundred forty-two billion, two hundred ten million, fifty-three thousand, five hundred thirty-one".
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