Search a number
-
+
2775048005 = 51577694597
BaseRepresentation
bin1010010101100111…
…1101111101000101
321011101202001012202
42211121331331011
521140403014010
61135210524245
7125524342652
oct24531757505
97141661182
102775048005
1111a4495704
12655436685
13352c01b52
141c47aac29
1511395b6a5
hexa567df45

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".

Divisors: 1 5 157 769 785 3845 4597 22985 120733 603665 721729 3535093 3608645 17675465 555009601 2775048005