Base | Representation |
---|---|
bin | 10010111001000010… |
… | …01110010010011110 |
3 | 222011211020111011120 |
4 | 21130201032102132 |
5 | 131232342211432 |
6 | 4354221231410 |
7 | 506221555566 |
oct | 113441162236 |
9 | 28154214146 |
10 | 10142147742 |
11 | 4334a83791 |
12 | 1b70702566 |
13 | c5829a26c |
14 | 6c2da5da6 |
15 | 3e55dac2c |
hex | 25c84e49e |
10142147742 has 32 divisors (see below), whose sum is σ = 21527184672. Its totient is φ = 3174488064.
The previous prime is 10142147711. The next prime is 10142147747. The reversal of 10142147742 is 24774124101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10142147747) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70653 + ... + 158984.
It is an arithmetic number, because the mean of its divisors is an integer number (672724521).
Almost surely, 210142147742 is an apocalyptic number.
10142147742 is an abundant number, since it is smaller than the sum of its proper divisors (11385036930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10142147742 is a wasteful number, since it uses less digits than its factorization.
10142147742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230092.
The product of its (nonzero) digits is 12544, while the sum is 33.
The spelling of 10142147742 in words is "ten billion, one hundred forty-two million, one hundred forty-seven thousand, seven hundred forty-two".
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