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2052308777 = 4015117977
BaseRepresentation
bin111101001010011…
…1011111100101001
312022000210002101012
41322110323330221
513200342340102
6535352033305
7101600223341
oct17224737451
95260702335
102052308777
11963524a62
12493392835
132692605bc
141567d3d21
15c0296752
hex7a53bf29

2052308777 has 4 divisors (see below), whose sum is σ = 2057427156. Its totient is φ = 2047190400.

The previous prime is 2052308723. The next prime is 2052308813. The reversal of 2052308777 is 7778032502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7778032502 = 23889016251.

It can be written as a sum of positive squares in 2 ways, for example, as 1650065641 + 402243136 = 40621^2 + 20056^2 .

It is a cyclic number.

It is not a de Polignac number, because 2052308777 - 28 = 2052308521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2052308077) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2558588 + ... + 2559389.

It is an arithmetic number, because the mean of its divisors is an integer number (514356789).

Almost surely, 22052308777 is an apocalyptic number.

It is an amenable number.

2052308777 is a deficient number, since it is larger than the sum of its proper divisors (5118379).

2052308777 is an equidigital number, since it uses as much as digits as its factorization.

2052308777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118378.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 2052308777 is about 45302.4146928174. The cubic root of 2052308777 is about 1270.8108111098.

The spelling of 2052308777 in words is "two billion, fifty-two million, three hundred eight thousand, seven hundred seventy-seven".

Divisors: 1 401 5117977 2052308777