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5499487688 = 2315721672
BaseRepresentation
bin1010001111100101…
…11000010111001000
3112012021020220212012
411013302320113020
542230332101223
62305413035052
7253165605542
oct50762702710
915167226765
105499487688
112372354552
121095925a88
13698494736
143a2562692
15222c1cc78
hex147cb85c8

5499487688 has 36 divisors (see below), whose sum is σ = 10440149985. Its totient is φ = 2715868896.

The previous prime is 5499487681. The next prime is 5499487723. The reversal of 5499487688 is 8867849945.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 5253060484 + 246427204 = 72478^2 + 15698^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=52438.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5499487681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 32930981 + ... + 32931147.

Almost surely, 25499487688 is an apocalyptic number.

It is an amenable number.

5499487688 is a deficient number, since it is larger than the sum of its proper divisors (4940662297).

5499487688 is an equidigital number, since it uses as much as digits as its factorization.

5499487688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654 (or 326 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 68.

The square root of 5499487688 is about 74158.5307837204. The cubic root of 5499487688 is about 1765.1193586941.

The spelling of 5499487688 in words is "five billion, four hundred ninety-nine million, four hundred eighty-seven thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 157 167 314 334 628 668 1256 1336 24649 26219 27889 49298 52438 55778 98596 104876 111556 197192 209752 223112 4116383 4378573 8232766 8757146 16465532 17514292 32931064 35028584 687435961 1374871922 2749743844 5499487688