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4807713821 is a prime number
BaseRepresentation
bin1000111101000111…
…11110010000011101
3110102001120011111212
410132203332100131
534321233320241
62113021554205
7230065615241
oct43643762035
913361504455
104807713821
112047913609
12b22115965
135b80756a1
1433872a421
151d2122beb
hex11e8fe41d

4807713821 has 2 divisors, whose sum is σ = 4807713822. Its totient is φ = 4807713820.

The previous prime is 4807713689. The next prime is 4807713839. The reversal of 4807713821 is 1283177084.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3262123225 + 1545590596 = 57115^2 + 39314^2 .

It is a cyclic number.

It is not a de Polignac number, because 4807713821 - 222 = 4803519517 is a prime.

It is a super-3 number, since 3×48077138213 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4807713871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2403856910 + 2403856911.

It is an arithmetic number, because the mean of its divisors is an integer number (2403856911).

Almost surely, 24807713821 is an apocalyptic number.

It is an amenable number.

4807713821 is a deficient number, since it is larger than the sum of its proper divisors (1).

4807713821 is an equidigital number, since it uses as much as digits as its factorization.

4807713821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 4807713821 is about 69337.6796626481. The cubic root of 4807713821 is about 1687.7684703978.

The spelling of 4807713821 in words is "four billion, eight hundred seven million, seven hundred thirteen thousand, eight hundred twenty-one".