Base | Representation |
---|---|
bin | 1000010001000001010… |
… | …0101110000011011100 |
3 | 111120112202201001202002 |
4 | 2010100110232003130 |
5 | 4311312443201430 |
6 | 145123143421432 |
7 | 13155041164610 |
oct | 2042024560334 |
9 | 446482631662 |
10 | 142007787740 |
11 | 5525276a855 |
12 | 23632154878 |
13 | 10511834c90 |
14 | 6c32153340 |
15 | 3a62121845 |
hex | 211052e0dc |
142007787740 has 96 divisors (see below), whose sum is σ = 372513974784. Its totient is φ = 44272293120.
The previous prime is 142007787679. The next prime is 142007787773. The reversal of 142007787740 is 47787700241.
142007787740 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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, 460346 + ... + 704225.
It is an arithmetic number, because the mean of its divisors is an integer number (3880353904).
Almost surely, 2142007787740 is an apocalyptic number.
142007787740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142007787740 is an abundant number, since it is smaller than the sum of its proper divisors (230506187044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142007787740 is a wasteful number, since it uses less digits than its factorization.
142007787740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1164667 (or 1164665 counting only the distinct ones).
The product of its (nonzero) digits is 614656, while the sum is 47.
The spelling of 142007787740 in words is "one hundred forty-two billion, seven million, seven hundred eighty-seven thousand, seven hundred forty".
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