Base | Representation |
---|---|
bin | 1000010100101001000… |
… | …1101111011110001000 |
3 | 111200001112020220201102 |
4 | 2011022101233132020 |
5 | 4320310400220030 |
6 | 145403435240532 |
7 | 13221115450430 |
oct | 2051221573610 |
9 | 450045226642 |
10 | 142980085640 |
11 | 55701592637 |
12 | 238638a9148 |
13 | 106380c3092 |
14 | 6cc532d2c0 |
15 | 3abc67ec45 |
hex | 214a46f788 |
142980085640 has 64 divisors (see below), whose sum is σ = 368457500160. Its totient is φ = 48915820800.
The previous prime is 142980085639. The next prime is 142980085657. The reversal of 142980085640 is 46580089241.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421811 + ... + 681090.
It is an arithmetic number, because the mean of its divisors is an integer number (5757148440).
Almost surely, 2142980085640 is an apocalyptic number.
142980085640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142980085640 is an abundant number, since it is smaller than the sum of its proper divisors (225477414520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142980085640 is a wasteful number, since it uses less digits than its factorization.
142980085640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1103382 (or 1103378 counting only the distinct ones).
The product of its (nonzero) digits is 552960, while the sum is 47.
The spelling of 142980085640 in words is "one hundred forty-two billion, nine hundred eighty million, eighty-five thousand, six hundred forty".
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