Base | Representation |
---|---|
bin | 1000010100011010100… |
… | …0110000111010010100 |
3 | 111122220021100001102022 |
4 | 2011012220300322110 |
5 | 4320144231340423 |
6 | 145353414232312 |
7 | 13216444362224 |
oct | 2050650607224 |
9 | 448807301368 |
10 | 142919011988 |
11 | 55680069045 |
12 | 23847355698 |
13 | 1062855b51c |
14 | 6cbb192084 |
15 | 3ab7118dc8 |
hex | 2146a30e94 |
142919011988 has 24 divisors (see below), whose sum is σ = 251081927040. Its totient is φ = 71181426240.
The previous prime is 142919011913. The next prime is 142919012011. The reversal of 142919011988 is 889110919241.
142919011988 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.
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, 7104248 + ... + 7124336.
It is an arithmetic number, because the mean of its divisors is an integer number (10461746960).
Almost surely, 2142919011988 is an apocalyptic number.
It is an amenable number.
142919011988 is a deficient number, since it is larger than the sum of its proper divisors (108162915052).
142919011988 is a wasteful number, since it uses less digits than its factorization.
142919011988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26927 (or 26925 counting only the distinct ones).
The product of its (nonzero) digits is 373248, while the sum is 53.
The spelling of 142919011988 in words is "one hundred forty-two billion, nine hundred nineteen million, eleven thousand, nine hundred eighty-eight".
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