Base | Representation |
---|---|
bin | 1000010011110000011… |
… | …1010001111110110100 |
3 | 111122102222010101220020 |
4 | 2010330013101332310 |
5 | 4314314032244023 |
6 | 145324110205140 |
7 | 13212201624321 |
oct | 2047407217664 |
9 | 448388111806 |
10 | 142742462388 |
11 | 5559a442789 |
12 | 237b81b37b0 |
13 | 105caac4cc6 |
14 | 6ca1955b48 |
15 | 3aa6892de3 |
hex | 213c1d1fb4 |
142742462388 has 24 divisors (see below), whose sum is σ = 336808059840. Its totient is φ = 47046204480.
The previous prime is 142742462351. The next prime is 142742462389. The reversal of 142742462388 is 883264247241.
142742462388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 142742462388.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142742462389) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66825928 + ... + 66828063.
It is an arithmetic number, because the mean of its divisors is an integer number (14033669160).
Almost surely, 2142742462388 is an apocalyptic number.
It is an amenable number.
142742462388 is an abundant number, since it is smaller than the sum of its proper divisors (194065597452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142742462388 is a wasteful number, since it uses less digits than its factorization.
142742462388 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133654087 (or 133654085 counting only the distinct ones).
The product of its digits is 4128768, while the sum is 51.
The spelling of 142742462388 in words is "one hundred forty-two billion, seven hundred forty-two million, four hundred sixty-two thousand, three hundred eighty-eight".
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