Base | Representation |
---|---|
bin | 1000010011101101001… |
… | …0110100011101101110 |
3 | 111122102000020201011110 |
4 | 2010323102310131232 |
5 | 4314302022204443 |
6 | 145322455332450 |
7 | 13211644006020 |
oct | 2047322643556 |
9 | 448360221143 |
10 | 142728709998 |
11 | 555926aa376 |
12 | 237b3681126 |
13 | 105c7cbb4b4 |
14 | 6c9dbb6010 |
15 | 3aa5578233 |
hex | 213b4b476e |
142728709998 has 32 divisors (see below), whose sum is σ = 331585205760. Its totient is φ = 40111112160.
The previous prime is 142728709997. The next prime is 142728710017. The reversal of 142728709998 is 899907827241.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142728709997) 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, 27852378 + ... + 27857501.
It is an arithmetic number, because the mean of its divisors is an integer number (10362037680).
Almost surely, 2142728709998 is an apocalyptic number.
142728709998 is an abundant number, since it is smaller than the sum of its proper divisors (188856495762).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142728709998 is a wasteful number, since it uses less digits than its factorization.
142728709998 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55709952.
The product of its (nonzero) digits is 36578304, while the sum is 66.
The spelling of 142728709998 in words is "one hundred forty-two billion, seven hundred twenty-eight million, seven hundred nine thousand, nine hundred ninety-eight".
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