Base | Representation |
---|---|
bin | 10010111001001011… |
… | …00000110111001010 |
3 | 222011220100121220100 |
4 | 21130211200313022 |
5 | 131233134204034 |
6 | 4354301310230 |
7 | 506234251503 |
oct | 113445406712 |
9 | 28156317810 |
10 | 10143272394 |
11 | 4335681752 |
12 | 1b70b65376 |
13 | c585a2138 |
14 | 6c31b9baa |
15 | 3e575e099 |
hex | 25c960dca |
10143272394 has 96 divisors (see below), whose sum is σ = 24099935184. Its totient is φ = 3070679040.
The previous prime is 10143272369. The next prime is 10143272431. The reversal of 10143272394 is 49327234101.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 2576882169 + 7566390225 = 50763^2 + 86985^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 984172 + ... + 994424.
Almost surely, 210143272394 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 10143272394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12049967592).
10143272394 is an abundant number, since it is smaller than the sum of its proper divisors (13956662790).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10143272394 is a wasteful number, since it uses less digits than its factorization.
10143272394 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10392 (or 10389 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The spelling of 10143272394 in words is "ten billion, one hundred forty-three million, two hundred seventy-two thousand, three hundred ninety-four".
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