Base | Representation |
---|---|
bin | 10010111001000100… |
… | …00000001101110000 |
3 | 222011211121212200120 |
4 | 21130202000031300 |
5 | 131232420232430 |
6 | 4354225450240 |
7 | 506223400026 |
oct | 113442001560 |
9 | 28154555616 |
10 | 10142352240 |
11 | 4335103399 |
12 | 1b707a0980 |
13 | c5833c377 |
14 | 6c301a716 |
15 | 3e562b610 |
hex | 25c880370 |
10142352240 has 40 divisors (see below), whose sum is σ = 31441292688. Its totient is φ = 2704627200.
The previous prime is 10142352223. The next prime is 10142352271. The reversal of 10142352240 is 4225324101.
It is a tau number, because it is divible by the number of its divisors (40).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 10142352240.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21129661 + ... + 21130140.
Almost surely, 210142352240 is an apocalyptic number.
10142352240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
10142352240 is an abundant number, since it is smaller than the sum of its proper divisors (21298940448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10142352240 is a wasteful number, since it uses less digits than its factorization.
10142352240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42259817 (or 42259811 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 10142352240 its reverse (4225324101), we get a palindrome (14367676341).
The spelling of 10142352240 in words is "ten billion, one hundred forty-two million, three hundred fifty-two thousand, two hundred forty".
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