Base | Representation |
---|---|
bin | 10010111001000001… |
… | …01110111001111001 |
3 | 222011210222221211111 |
4 | 21130200232321321 |
5 | 131232324103233 |
6 | 4354214400321 |
7 | 506220512035 |
oct | 113440567171 |
9 | 28153887744 |
10 | 10142019193 |
11 | 43349a6149 |
12 | 1b706600a1 |
13 | c582538b7 |
14 | 6c2d711c5 |
15 | 3e55b2acd |
hex | 25c82ee79 |
10142019193 has 4 divisors (see below), whose sum is σ = 10142668800. Its totient is φ = 10141369588.
The previous prime is 10142019163. The next prime is 10142019227. The reversal of 10142019193 is 39191024101.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39191024101 = 19 ⋅2062685479.
It is a cyclic number.
It is not a de Polignac number, because 10142019193 - 221 = 10139922041 is a prime.
It is a super-2 number, since 2×101420191932 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (10142019163) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300793 + ... + 332806.
It is an arithmetic number, because the mean of its divisors is an integer number (2535667200).
Almost surely, 210142019193 is an apocalyptic number.
It is an amenable number.
10142019193 is a deficient number, since it is larger than the sum of its proper divisors (649607).
10142019193 is an equidigital number, since it uses as much as digits as its factorization.
10142019193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 649606.
The product of its (nonzero) digits is 1944, while the sum is 31.
The spelling of 10142019193 in words is "ten billion, one hundred forty-two million, nineteen thousand, one hundred ninety-three".
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