Base | Representation |
---|---|
bin | 1000010010101011110… |
… | …1101001110110000100 |
3 | 111121200220200212210201 |
4 | 2010222331221312010 |
5 | 4313221402213040 |
6 | 145235351100244 |
7 | 13202106122635 |
oct | 2045275516604 |
9 | 447626625721 |
10 | 142454726020 |
11 | 55461a85132 |
12 | 23737971684 |
13 | 105832cc1b9 |
14 | 6c7565588c |
15 | 3a8b4a7a9a |
hex | 212af69d84 |
142454726020 has 96 divisors (see below), whose sum is σ = 316468454400. Its totient is φ = 53754015744.
The previous prime is 142454726003. The next prime is 142454726053. The reversal of 142454726020 is 20627454241.
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, 44950996 + ... + 44954164.
It is an arithmetic number, because the mean of its divisors is an integer number (3296546400).
Almost surely, 2142454726020 is an apocalyptic number.
142454726020 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 142454726020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158234227200).
142454726020 is an abundant number, since it is smaller than the sum of its proper divisors (174013728380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142454726020 is a wasteful number, since it uses less digits than its factorization.
142454726020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4517 (or 4515 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 37.
The spelling of 142454726020 in words is "one hundred forty-two billion, four hundred fifty-four million, seven hundred twenty-six thousand, twenty".
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