Search a number
-
+
2745299755 = 511431115811
BaseRepresentation
bin1010001110100001…
…1111001100101011
321002022202200021201
42203220133030223
521110244043010
61132225145031
7125013443242
oct24350371453
97068680251
102745299755
111189717380
1264748b177
133499b7633
141c0865959
1511103223a
hexa3a1f32b

2745299755 has 16 divisors (see below), whose sum is σ = 3602216448. Its totient is φ = 1991932000.

The previous prime is 2745299701. The next prime is 2745299779. The reversal of 2745299755 is 5579925472.

It is not a de Polignac number, because 2745299755 - 29 = 2745299243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2745299696 and 2745299705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34201 + ... + 81610.

It is an arithmetic number, because the mean of its divisors is an integer number (225138528).

Almost surely, 22745299755 is an apocalyptic number.

2745299755 is a deficient number, since it is larger than the sum of its proper divisors (856916693).

2745299755 is a wasteful number, since it uses less digits than its factorization.

2745299755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116258.

The product of its digits is 7938000, while the sum is 55.

The square root of 2745299755 is about 52395.6081651888. The cubic root of 2745299755 is about 1400.2210118767.

It can be divided in two parts, 2745 and 299755, that added together give a square (302500 = 5502).

The spelling of 2745299755 in words is "two billion, seven hundred forty-five million, two hundred ninety-nine thousand, seven hundred fifty-five".

Divisors: 1 5 11 55 431 2155 4741 23705 115811 579055 1273921 6369605 49914541 249572705 549059951 2745299755