Base | Representation |
---|---|
bin | 1000010001111101000… |
… | …0110000011101110000 |
3 | 111121012020021212010021 |
4 | 2010133100300131300 |
5 | 4312321123013110 |
6 | 145204055213224 |
7 | 13164203340043 |
oct | 2043720603560 |
9 | 447166255107 |
10 | 142258407280 |
11 | 55371186a40 |
12 | 236a2077214 |
13 | 10551733672 |
14 | 6c57550c5a |
15 | 3a791292da |
hex | 211f430770 |
142258407280 has 160 divisors (see below), whose sum is σ = 385303910400. Its totient is φ = 48335078400.
The previous prime is 142258407259. The next prime is 142258407293. The reversal of 142258407280 is 82704852241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 701211 + ... + 881029.
It is an arithmetic number, because the mean of its divisors is an integer number (2408149440).
Almost surely, 2142258407280 is an apocalyptic number.
142258407280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142258407280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192651955200).
142258407280 is an abundant number, since it is smaller than the sum of its proper divisors (243045503120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142258407280 is a wasteful number, since it uses less digits than its factorization.
142258407280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 179903 (or 179897 counting only the distinct ones).
The product of its (nonzero) digits is 286720, while the sum is 43.
The spelling of 142258407280 in words is "one hundred forty-two billion, two hundred fifty-eight million, four hundred seven thousand, two hundred eighty".
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