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8680455128 = 231975507903
BaseRepresentation
bin10000001010110010…
…10011101111011000
3211101221210210212002
420011121103233120
5120234144031003
63553204140132
7425052436232
oct100531235730
924357723762
108680455128
113754988464
121823097648
13a844cb2a7
145c4bd5252
1535c10ba88
hex205653bd8

8680455128 has 16 divisors (see below), whose sum is σ = 16358474880. Its totient is φ = 4318195168.

The previous prime is 8680455079. The next prime is 8680455137. The reversal of 8680455128 is 8215540868.

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, 2752376 + ... + 2755527.

It is an arithmetic number, because the mean of its divisors is an integer number (1022404680).

Almost surely, 28680455128 is an apocalyptic number.

It is an amenable number.

8680455128 is a deficient number, since it is larger than the sum of its proper divisors (7678019752).

8680455128 is a wasteful number, since it uses less digits than its factorization.

8680455128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508106 (or 5508102 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 47.

The square root of 8680455128 is about 93168.9601101139. The cubic root of 8680455128 is about 2055.1688029574.

The spelling of 8680455128 in words is "eight billion, six hundred eighty million, four hundred fifty-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 197 394 788 1576 5507903 11015806 22031612 44063224 1085056891 2170113782 4340227564 8680455128