Base | Representation |
---|---|
bin | 1000010001101010100… |
… | …0100101101010100110 |
3 | 111120222211012101122000 |
4 | 2010122220211222212 |
5 | 4312141234042142 |
6 | 145152243150130 |
7 | 13162241406510 |
oct | 2043250455246 |
9 | 446884171560 |
10 | 142180768422 |
11 | 553313787a0 |
12 | 23680075346 |
13 | 1053b61bc04 |
14 | 6c4b100bb0 |
15 | 3a723e014c |
hex | 211aa25aa6 |
142180768422 has 512 divisors, whose sum is σ = 432414720000. Its totient is φ = 33508339200.
The previous prime is 142180768399. The next prime is 142180768423. The reversal of 142180768422 is 224867081241.
142180768422 is a `hidden beast` number, since 1 + 4 + 218 + 0 + 7 + 6 + 8 + 422 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142180768423) by changing a digit.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 524652147 + ... + 524652417.
It is an arithmetic number, because the mean of its divisors is an integer number (844560000).
Almost surely, 2142180768422 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142180768422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216207360000).
142180768422 is an abundant number, since it is smaller than the sum of its proper divisors (290233951578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142180768422 is a wasteful number, since it uses less digits than its factorization.
142180768422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 577 (or 571 counting only the distinct ones).
The product of its (nonzero) digits is 344064, while the sum is 45.
The spelling of 142180768422 in words is "one hundred forty-two billion, one hundred eighty million, seven hundred sixty-eight thousand, four hundred twenty-two".
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