Base | Representation |
---|---|
bin | 1010111110001110… |
… | …0111011000000000 |
3 | 21121021012020102110 |
4 | 2233203213120000 |
5 | 22013002132440 |
6 | 1204133015320 |
7 | 132663024450 |
oct | 25743473000 |
9 | 7537166373 |
10 | 2945349120 |
11 | 128163342a |
12 | 6a2484540 |
13 | 37c28b23c |
14 | 1dd25bd60 |
15 | 12389b080 |
hex | af8e7600 |
2945349120 has 160 divisors (see below), whose sum is σ = 10761239808. Its totient is φ = 673210368.
The previous prime is 2945349119. The next prime is 2945349131. The reversal of 2945349120 is 219435492.
It is a tau number, because it is divible by the number of its divisors (160).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26367 + ... + 81153.
Almost surely, 22945349120 is an apocalyptic number.
2945349120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2945349120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5380619904).
2945349120 is an abundant number, since it is smaller than the sum of its proper divisors (7815890688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2945349120 is an equidigital number, since it uses as much as digits as its factorization.
2945349120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54820 (or 54804 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 39.
The square root of 2945349120 is about 54271.0707467616. The cubic root of 2945349120 is about 1433.4380443904.
The spelling of 2945349120 in words is "two billion, nine hundred forty-five million, three hundred forty-nine thousand, one hundred twenty".
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