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6801256016 = 24428999109
BaseRepresentation
bin1100101010110001…
…01110111001010000
3122112222202121021222
412111120232321100
5102412110143031
63042514304212
7330353502512
oct62530567120
918488677258
106801256016
11298014a345
121399888068
1384509b559
144873c3bb2
1529c15be7b
hex19562ee50

6801256016 has 20 divisors (see below), whose sum is σ = 13180638900. Its totient is φ = 3399800832.

The previous prime is 6801256003. The next prime is 6801256031. The reversal of 6801256016 is 6106521086.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5898854416 + 902401600 = 76804^2 + 30040^2 .

It is a congruent number.

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, 19070 + ... + 118178.

It is an arithmetic number, because the mean of its divisors is an integer number (659031945).

Almost surely, 26801256016 is an apocalyptic number.

It is an amenable number.

6801256016 is a deficient number, since it is larger than the sum of its proper divisors (6379382884).

6801256016 is a wasteful number, since it uses less digits than its factorization.

6801256016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103406 (or 103400 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 6801256016 is about 82469.7278763547. The cubic root of 6801256016 is about 1894.6531126871.

The spelling of 6801256016 in words is "six billion, eight hundred one million, two hundred fifty-six thousand, sixteen".

Divisors: 1 2 4 8 16 4289 8578 17156 34312 68624 99109 198218 396436 792872 1585744 425078501 850157002 1700314004 3400628008 6801256016