Search a number
-
+
4765278961 = 690312
BaseRepresentation
bin1000111000000100…
…00110001011110001
3110022002201020211101
410130002012023301
534224402411321
62104504244401
7226042126402
oct43402061361
913262636741
104765278961
11202596a683
12b0ba70701
135ac3387c1
14332c419a9
151cd53e791
hex11c0862f1

4765278961 has 3 divisors (see below), whose sum is σ = 4765347993. Its totient is φ = 4765209930.

The previous prime is 4765278949. The next prime is 4765278979. The reversal of 4765278961 is 1698725674.

The square root of 4765278961 is 69031.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 4765278961 - 211 = 4765276913 is a prime.

It is a super-2 number, since 2×47652789612 = 45415767152298479042, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4765278941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 34516 + ... + 103546.

It is an arithmetic number, because the mean of its divisors is an integer number (1588449331).

Almost surely, 24765278961 is an apocalyptic number.

4765278961 is the 69031-st square number.

4765278961 is the 34516-th centered octagonal number.

It is an amenable number.

4765278961 is a deficient number, since it is larger than the sum of its proper divisors (69032).

4765278961 is an frugal number, since it uses more digits than its factorization.

4765278961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138062 (or 69031 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 55.

The cubic root of 4765278961 is about 1682.7881424420.

The spelling of 4765278961 in words is "four billion, seven hundred sixty-five million, two hundred seventy-eight thousand, nine hundred sixty-one".

Divisors: 1 69031 4765278961