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4778053069 = 11514151219
BaseRepresentation
bin1000111001100101…
…10100110111001101
3110022222202020121111
410130302310313031
534241140144234
62110042132021
7226255531606
oct43462646715
913288666544
104778053069
1120320a4a99
12b141b1011
135b1b8bc4a
14334808dad
151ce714664
hex11ccb4dcd

4778053069 has 4 divisors (see below), whose sum is σ = 4782205440. Its totient is φ = 4773900700.

The previous prime is 4778053061. The next prime is 4778053087. The reversal of 4778053069 is 9603508774.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9603508774 = 24801754387.

It is a cyclic number.

It is not a de Polignac number, because 4778053069 - 23 = 4778053061 is a prime.

It is a super-2 number, since 2×47780530692 = 45659582260360637522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4778053061) 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, 2074459 + ... + 2076760.

It is an arithmetic number, because the mean of its divisors is an integer number (1195551360).

Almost surely, 24778053069 is an apocalyptic number.

It is an amenable number.

4778053069 is a deficient number, since it is larger than the sum of its proper divisors (4152371).

4778053069 is a wasteful number, since it uses less digits than its factorization.

4778053069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4152370.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 4778053069 is about 69123.4625073137. The cubic root of 4778053069 is about 1684.2904635899.

The spelling of 4778053069 in words is "four billion, seven hundred seventy-eight million, fifty-three thousand, sixty-nine".

Divisors: 1 1151 4151219 4778053069