Base | Representation |
---|---|
bin | 1000010001010111010… |
… | …0100110011000011001 |
3 | 111120210012021111201011 |
4 | 2010111310212120121 |
5 | 4312010101443001 |
6 | 145140240453521 |
7 | 13160241222445 |
oct | 2042564463031 |
9 | 446705244634 |
10 | 142100031001 |
11 | 5529a843555 |
12 | 2365901a2a1 |
13 | 10527990ca6 |
14 | 6c404c5825 |
15 | 3a6a292d51 |
hex | 2115d26619 |
142100031001 has 24 divisors (see below), whose sum is σ = 156243450240. Its totient is φ = 129056928000.
The previous prime is 142100030993. The next prime is 142100031041. The reversal of 142100031001 is 100130001241.
It is not a de Polignac number, because 142100031001 - 23 = 142100030993 is a prime.
It is a super-2 number, since 2×1421000310012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142100031041) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19867776 + ... + 19874926.
It is an arithmetic number, because the mean of its divisors is an integer number (6510143760).
Almost surely, 2142100031001 is an apocalyptic number.
It is an amenable number.
142100031001 is a deficient number, since it is larger than the sum of its proper divisors (14143419239).
142100031001 is a wasteful number, since it uses less digits than its factorization.
142100031001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9585 (or 9568 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 13.
Adding to 142100031001 its reverse (100130001241), we get a palindrome (242230032242).
The spelling of 142100031001 in words is "one hundred forty-two billion, one hundred million, thirty-one thousand, one".
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