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5491687976 = 23687199907
BaseRepresentation
bin1010001110101010…
…01000001000101000
3112011201120122122222
411013111020020220
542221333003401
62304533533212
7253042402055
oct50725101050
915151518588
105491687976
112368a07505
1210931a4208
13696993518
143a14d202c
152221cbc1b
hex147548228

5491687976 has 16 divisors (see below), whose sum is σ = 10298516640. Its totient is φ = 2745416880.

The previous prime is 5491687937. The next prime is 5491687991. The reversal of 5491687976 is 6797861945.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5015 + ... + 104921.

It is an arithmetic number, because the mean of its divisors is an integer number (643657290).

Almost surely, 25491687976 is an apocalyptic number.

It is an amenable number.

5491687976 is a deficient number, since it is larger than the sum of its proper divisors (4806828664).

5491687976 is a wasteful number, since it uses less digits than its factorization.

5491687976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106784 (or 106780 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 62.

The square root of 5491687976 is about 74105.9240277051. The cubic root of 5491687976 is about 1764.2844969057.

The spelling of 5491687976 in words is "five billion, four hundred ninety-one million, six hundred eighty-seven thousand, nine hundred seventy-six".

Divisors: 1 2 4 8 6871 13742 27484 54968 99907 199814 399628 799256 686460997 1372921994 2745843988 5491687976