Base | Representation |
---|---|
bin | 1010010101100111… |
… | …1101111101000101 |
3 | 21011101202001012202 |
4 | 2211121331331011 |
5 | 21140403014010 |
6 | 1135210524245 |
7 | 125524342652 |
oct | 24531757505 |
9 | 7141661182 |
10 | 2775048005 |
11 | 11a4495704 |
12 | 655436685 |
13 | 352c01b52 |
14 | 1c47aac29 |
15 | 11395b6a5 |
hex | a567df45 |
2775048005 has 16 divisors (see below), whose sum is σ = 3356356080. Its totient is φ = 2202550272.
The previous prime is 2775047971. The next prime is 2775048013. The reversal of 2775048005 is 5008405772.
It can be written as a sum of positive squares in 8 ways, for example, as 612612001 + 2162436004 = 24751^2 + 46502^2 .
It is a cyclic number.
It is not a de Polignac number, because 2775048005 - 224 = 2758270789 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 2775048005.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 601367 + ... + 605963.
It is an arithmetic number, because the mean of its divisors is an integer number (209772255).
Almost surely, 22775048005 is an apocalyptic number.
It is an amenable number.
2775048005 is a deficient number, since it is larger than the sum of its proper divisors (581308075).
2775048005 is a wasteful number, since it uses less digits than its factorization.
2775048005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5528.
The product of its (nonzero) digits is 78400, while the sum is 38.
The square root of 2775048005 is about 52678.7244055890. The cubic root of 2775048005 is about 1405.2604820086.
The spelling of 2775048005 in words is "two billion, seven hundred seventy-five million, forty-eight thousand, five".
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