Base | Representation |
---|---|
bin | 10010111001000001… |
… | …10001111000100001 |
3 | 222011211000120120100 |
4 | 21130200301320201 |
5 | 131232330001033 |
6 | 4354214533013 |
7 | 506220562434 |
oct | 113440617041 |
9 | 28154016510 |
10 | 10142031393 |
11 | 4334a0432a |
12 | 1b70667169 |
13 | c58259310 |
14 | 6c2d7581b |
15 | 3e55b6513 |
hex | 25c831e21 |
10142031393 has 24 divisors (see below), whose sum is σ = 16285418240. Its totient is φ = 6039917280.
The previous prime is 10142031373. The next prime is 10142031433. The reversal of 10142031393 is 39313024101.
10142031393 is a `hidden beast` number, since 101 + 420 + 3 + 139 + 3 = 666.
It is not a de Polignac number, because 10142031393 - 26 = 10142031329 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (10142031373) 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, 1394503 + ... + 1401756.
Almost surely, 210142031393 is an apocalyptic number.
10142031393 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
10142031393 is a deficient number, since it is larger than the sum of its proper divisors (6143386847).
10142031393 is a wasteful number, since it uses less digits than its factorization.
10142031393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2796309 (or 2796306 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 27.
Adding to 10142031393 its reverse (39313024101), we get a palindrome (49455055494).
The spelling of 10142031393 in words is "ten billion, one hundred forty-two million, thirty-one thousand, three hundred ninety-three".
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