Base | Representation |
---|---|
bin | 1000010100101100011… |
… | …1011011001000001010 |
3 | 111200002111201212111021 |
4 | 2011023013123020022 |
5 | 4320323001024330 |
6 | 145405101023054 |
7 | 13221346201120 |
oct | 2051307331012 |
9 | 450074655437 |
10 | 142994158090 |
11 | 55709524463 |
12 | 23868554a8a |
13 | 1063acac484 |
14 | 6cc7153910 |
15 | 3abda0e67a |
hex | 214b1db20a |
142994158090 has 32 divisors (see below), whose sum is σ = 296858136960. Its totient is φ = 48576780864.
The previous prime is 142994158079. The next prime is 142994158093. The reversal of 142994158090 is 90851499241.
It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (142994158093) 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, 9362892 + ... + 9378151.
It is an arithmetic number, because the mean of its divisors is an integer number (9276816780).
Almost surely, 2142994158090 is an apocalyptic number.
142994158090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142994158090 is an abundant number, since it is smaller than the sum of its proper divisors (153863978870).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142994158090 is a wasteful number, since it uses less digits than its factorization.
142994158090 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18741166.
The product of its (nonzero) digits is 933120, while the sum is 52.
The spelling of 142994158090 in words is "one hundred forty-two billion, nine hundred ninety-four million, one hundred fifty-eight thousand, ninety".
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