Search a number
-
+
2774748011 = 719138115107
BaseRepresentation
bin1010010101100011…
…0100101101101011
321011101011210200212
42211120310231223
521140313414021
61135200251335
7125521653230
oct24530645553
97141153625
102774748011
1111a4300282
12655310b4b
13352b28439
141c472d787
151138ec85b
hexa5634b6b

2774748011 has 16 divisors (see below), whose sum is σ = 3340680960. Its totient is φ = 2251398240.

The previous prime is 2774748001. The next prime is 2774748019. The reversal of 2774748011 is 1108474772.

It is not a de Polignac number, because 2774748011 - 222 = 2770553707 is a prime.

It is a super-2 number, since 2×27747480112 = 15398453049096912242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2774748011.

It is not an unprimeable number, because it can be changed into a prime (2774748019) by changing a digit.

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, 176120 + ... + 191226.

It is an arithmetic number, because the mean of its divisors is an integer number (208792560).

Almost surely, 22774748011 is an apocalyptic number.

2774748011 is a deficient number, since it is larger than the sum of its proper divisors (565932949).

2774748011 is a wasteful number, since it uses less digits than its factorization.

2774748011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16514.

The product of its (nonzero) digits is 87808, while the sum is 41.

The square root of 2774748011 is about 52675.8769362220. The cubic root of 2774748011 is about 1405.2098420552.

The spelling of 2774748011 in words is "two billion, seven hundred seventy-four million, seven hundred forty-eight thousand, eleven".

Divisors: 1 7 19 133 1381 9667 15107 26239 105749 183673 287033 2009231 20862767 146039369 396392573 2774748011