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4776053881 = 691092
BaseRepresentation
bin1000111001010110…
…01100110001111001
3110022211222200020111
410130223030301321
534240132211011
62105531224321
7226232534224
oct43453146171
913284880214
104776053881
112030a59a75
12b135a80a1
135b163bcb1
143344485bb
151ce46c121
hex11caccc79

4776053881 has 3 divisors (see below), whose sum is σ = 4776122991. Its totient is φ = 4775984772.

The previous prime is 4776053861. The next prime is 4776053917. The reversal of 4776053881 is 1883506774.

It is a happy number.

The square root of 4776053881 is 69109.

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 can be written as a sum of positive squares in only one way, i.e., 2799362281 + 1976691600 = 52909^2 + 44460^2 .

It is not a de Polignac number, because 4776053881 - 213 = 4776045689 is a prime.

It is a super-2 number, since 2×47760538812 = 45621381348430324322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4776053801) 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 2 ways as a sum of consecutive naturals, for example, 34555 + ... + 103663.

It is an arithmetic number, because the mean of its divisors is an integer number (1592040997).

Almost surely, 24776053881 is an apocalyptic number.

4776053881 is the 69109-th square number.

4776053881 is the 34555-th centered octagonal number.

It is an amenable number.

4776053881 is a deficient number, since it is larger than the sum of its proper divisors (69110).

4776053881 is an frugal number, since it uses more digits than its factorization.

4776053881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138218 (or 69109 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The cubic root of 4776053881 is about 1684.0555224978.

Multiplying 4776053881 by its sum of digits (49), we get a square (234026640169 = 4837632).

The spelling of 4776053881 in words is "four billion, seven hundred seventy-six million, fifty-three thousand, eight hundred eighty-one".

Divisors: 1 69109 4776053881