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5147555461 is a prime number
BaseRepresentation
bin1001100101101000…
…10111011010000101
3111021202000220121021
410302310113122011
541020233233321
62210441551141
7241363333216
oct46264273205
914252026537
105147555461
11220172a674
12bb7aa54b1
136405b2c09
1436b91140d
15201da1941
hex132d17685

5147555461 has 2 divisors, whose sum is σ = 5147555462. Its totient is φ = 5147555460.

The previous prime is 5147555459. The next prime is 5147555509. The reversal of 5147555461 is 1645557415.

It is a happy number.

5147555461 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3639708900 + 1507846561 = 60330^2 + 38831^2 .

It is a cyclic number.

It is not a de Polignac number, because 5147555461 - 21 = 5147555459 is a prime.

Together with 5147555459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5147565461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573777730 + 2573777731.

It is an arithmetic number, because the mean of its divisors is an integer number (2573777731).

Almost surely, 25147555461 is an apocalyptic number.

It is an amenable number.

5147555461 is a deficient number, since it is larger than the sum of its proper divisors (1).

5147555461 is an equidigital number, since it uses as much as digits as its factorization.

5147555461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420000, while the sum is 43.

The square root of 5147555461 is about 71746.4665401719. The cubic root of 5147555461 is about 1726.6342237154.

The spelling of 5147555461 in words is "five billion, one hundred forty-seven million, five hundred fifty-five thousand, four hundred sixty-one".