Base | Representation |
---|---|
bin | 110111111100100000… |
… | …1110001100001110000 |
3 | 102111002220120111002202 |
4 | 1233321001301201300 |
5 | 3432022334440114 |
6 | 131105330202332 |
7 | 11452143034505 |
oct | 1577101614160 |
9 | 374086514082 |
10 | 120142108784 |
11 | 46a520a75a5 |
12 | 1b34b4233a8 |
13 | b4387824c9 |
14 | 5b5a1794ac |
15 | 31d26c6cde |
hex | 1bf9071870 |
120142108784 has 20 divisors (see below), whose sum is σ = 232781358480. Its totient is φ = 60069500160.
The previous prime is 120142108783. The next prime is 120142108799. The reversal of 120142108784 is 487801241021.
120142108784 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 not an unprimeable number, because it can be changed into a prime (120142108783) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781304 + ... + 922344.
It is an arithmetic number, because the mean of its divisors is an integer number (11639067924).
Almost surely, 2120142108784 is an apocalyptic number.
It is an amenable number.
120142108784 is a deficient number, since it is larger than the sum of its proper divisors (112639249696).
120142108784 is a wasteful number, since it uses less digits than its factorization.
120142108784 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194288 (or 194282 counting only the distinct ones).
The product of its (nonzero) digits is 28672, while the sum is 38.
The spelling of 120142108784 in words is "one hundred twenty billion, one hundred forty-two million, one hundred eight thousand, seven hundred eighty-four".
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