Base | Representation |
---|---|
bin | 1000010100000100101… |
… | …0111000001110000000 |
3 | 111122122212202011120221 |
4 | 2011001022320032000 |
5 | 4320002241312040 |
6 | 145340340312424 |
7 | 13214251642504 |
oct | 2050112701600 |
9 | 448585664527 |
10 | 142827291520 |
11 | 55633312101 |
12 | 238206a2714 |
13 | 10612556464 |
14 | 6cacd18304 |
15 | 3aae04c74a |
hex | 21412b8380 |
142827291520 has 192 divisors, whose sum is σ = 361889614800. Its totient is φ = 53889048576.
The previous prime is 142827291487. The next prime is 142827291533. The reversal of 142827291520 is 25192728241.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24711991 + ... + 24717769.
Almost surely, 2142827291520 is an apocalyptic number.
142827291520 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 142827291520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180944807400).
142827291520 is an abundant number, since it is smaller than the sum of its proper divisors (219062323280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142827291520 is an equidigital number, since it uses as much as digits as its factorization.
142827291520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5917 (or 5882 counting only the distinct ones).
The product of its (nonzero) digits is 161280, while the sum is 43.
The spelling of 142827291520 in words is "one hundred forty-two billion, eight hundred twenty-seven million, two hundred ninety-one thousand, five hundred twenty".
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