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5711907997 = 53149821881
BaseRepresentation
bin1010101000111010…
…01100110010011101
3112202001221222202001
411110131030302131
543144222023442
62342442002301
7261355262665
oct52435146235
915661858661
105711907997
112471250024
121134aa6391
137004aa123
143c28591a5
152366cc2b7
hex15474cc9d

5711907997 has 16 divisors (see below), whose sum is σ = 5872532400. Its totient is φ = 5553433600.

The previous prime is 5711907991. The next prime is 5711908031. The reversal of 5711907997 is 7997091175.

It can be written as a sum of positive squares in 8 ways, for example, as 858138436 + 4853769561 = 29294^2 + 69669^2 .

It is a cyclic number.

It is not a de Polignac number, because 5711907997 - 215 = 5711875229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5711907991) 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 15 ways as a sum of consecutive naturals, for example, 6482997 + ... + 6483877.

It is an arithmetic number, because the mean of its divisors is an integer number (367033275).

Almost surely, 25711907997 is an apocalyptic number.

It is an amenable number.

5711907997 is a deficient number, since it is larger than the sum of its proper divisors (160624403).

5711907997 is a wasteful number, since it uses less digits than its factorization.

5711907997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its (nonzero) digits is 1250235, while the sum is 55.

The square root of 5711907997 is about 75577.1658439240. The cubic root of 5711907997 is about 1787.5590666383.

The spelling of 5711907997 in words is "five billion, seven hundred eleven million, nine hundred seven thousand, nine hundred ninety-seven".

Divisors: 1 53 149 821 881 7897 43513 46693 122329 131269 723301 6483437 6957257 38334953 107771849 5711907997