Search a number
-
+
2772207061 = 13213246697
BaseRepresentation
bin1010010100111100…
…1000010111010101
321011012101201011121
42211033020113111
521134141111221
61135030003541
7125461241221
oct24517102725
97135351147
102772207061
1111a2925218
126544a65b1
13352448a10
141c426b781
15113599a41
hexa53c85d5

2772207061 has 4 divisors (see below), whose sum is σ = 2985453772. Its totient is φ = 2558960352.

The previous prime is 2772207019. The next prime is 2772207083. The reversal of 2772207061 is 1607022772.

2772207061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1366706961 + 1405500100 = 36969^2 + 37490^2 .

It is not a de Polignac number, because 2772207061 - 231 = 624723413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2772207761) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106623336 + ... + 106623361.

It is an arithmetic number, because the mean of its divisors is an integer number (746363443).

Almost surely, 22772207061 is an apocalyptic number.

It is an amenable number.

2772207061 is a deficient number, since it is larger than the sum of its proper divisors (213246711).

2772207061 is a wasteful number, since it uses less digits than its factorization.

2772207061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213246710.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 2772207061 is about 52651.7526868764. The cubic root of 2772207061 is about 1404.7807750559.

The spelling of 2772207061 in words is "two billion, seven hundred seventy-two million, two hundred seven thousand, sixty-one".

Divisors: 1 13 213246697 2772207061