Base | Representation |
---|---|
bin | 10010111001000100… |
… | …00110100001011001 |
3 | 222011211200012010100 |
4 | 21130202012201121 |
5 | 131232422044243 |
6 | 4354230210013 |
7 | 506223535242 |
oct | 113442064131 |
9 | 28154605110 |
10 | 10142378073 |
11 | 4335120843 |
12 | 1b707b3909 |
13 | c5834b059 |
14 | 6c3025cc9 |
15 | 3e56340d3 |
hex | 25c886859 |
10142378073 has 18 divisors (see below), whose sum is σ = 14894253582. Its totient is φ = 6650717760.
The previous prime is 10142378069. The next prime is 10142378089. The reversal of 10142378073 is 37087324101.
It can be written as a sum of positive squares in 3 ways, for example, as 535829904 + 9606548169 = 23148^2 + 98013^2 .
It is not a de Polignac number, because 10142378073 - 22 = 10142378069 is a prime.
It is a super-4 number, since 4×101423780734 (a number of 41 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.
It is not an unprimeable number, because it can be changed into a prime (10142378033) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 117940 + ... + 184917.
Almost surely, 210142378073 is an apocalyptic number.
It is an amenable number.
10142378073 is a deficient number, since it is larger than the sum of its proper divisors (4751875509).
10142378073 is an equidigital number, since it uses as much as digits as its factorization.
10142378073 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302985 (or 302921 counting only the distinct ones).
The product of its (nonzero) digits is 28224, while the sum is 36.
The spelling of 10142378073 in words is "ten billion, one hundred forty-two million, three hundred seventy-eight thousand, seventy-three".
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