Base | Representation |
---|---|
bin | 111111100111111… |
… | …0111011101111110 |
3 | 12111210010102022100 |
4 | 1333033313131332 |
5 | 13333011201130 |
6 | 551501325530 |
7 | 103622026341 |
oct | 17717673576 |
9 | 5453112270 |
10 | 2134865790 |
11 | 9a60922a2 |
12 | 4b6b668a6 |
13 | 2803a77c5 |
14 | 163764458 |
15 | c7652c60 |
hex | 7f3f777e |
2134865790 has 48 divisors (see below), whose sum is σ = 5553117648. Its totient is φ = 569044608.
The previous prime is 2134865771. The next prime is 2134865807. The reversal of 2134865790 is 975684312.
2134865790 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (45).
2134865790 is strictly pandigital in base 10.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 289489 + ... + 296771.
It is an arithmetic number, because the mean of its divisors is an integer number (115689951).
It is a 2-persistent number, because it is pandigital, and so is 2⋅2134865790 = 4269731580, but 3⋅2134865790 = 6404597370 is not.
Almost surely, 22134865790 is an apocalyptic number.
2134865790 is an abundant number, since it is smaller than the sum of its proper divisors (3418251858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2134865790 is a wasteful number, since it uses less digits than its factorization.
2134865790 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10553 (or 10550 counting only the distinct ones).
The product of its (nonzero) digits is 362880, while the sum is 45.
The square root of 2134865790 is about 46204.6078870928. The cubic root of 2134865790 is about 1287.6273495799.
The spelling of 2134865790 in words is "two billion, one hundred thirty-four million, eight hundred sixty-five thousand, seven hundred ninety".
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