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8714181980 = 2257173661421
BaseRepresentation
bin10000001110110011…
…11101110101011100
3211111022021022101202
420013121331311130
5120321312310410
64000411055032
7425642216240
oct100731756534
924438238352
108714181980
113771a23999
121832441478
13a8b4a96ca
145c9494420
1536006eca5
hex20767dd5c

8714181980 has 48 divisors (see below), whose sum is σ = 22144280256. Its totient is φ = 2811970560.

The previous prime is 8714181977. The next prime is 8714181989. The reversal of 8714181980 is 891814178.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8714181989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1828331 + ... + 1833090.

It is an arithmetic number, because the mean of its divisors is an integer number (461339172).

Almost surely, 28714181980 is an apocalyptic number.

It is an amenable number.

8714181980 is an abundant number, since it is smaller than the sum of its proper divisors (13430098276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8714181980 is a wasteful number, since it uses less digits than its factorization.

8714181980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3661454 (or 3661452 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 47.

The square root of 8714181980 is about 93349.7829670750. The cubic root of 8714181980 is about 2057.8270658960.

The spelling of 8714181980 in words is "eight billion, seven hundred fourteen million, one hundred eighty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 7 10 14 17 20 28 34 35 68 70 85 119 140 170 238 340 476 595 1190 2380 3661421 7322842 14645684 18307105 25629947 36614210 51259894 62244157 73228420 102519788 124488314 128149735 248976628 256299470 311220785 435709099 512598940 622441570 871418198 1244883140 1742836396 2178545495 4357090990 8714181980