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8680687223 = 132357283303
BaseRepresentation
bin10000001010110100…
…01100011001110111
3211101222020121020012
420011122030121313
5120234223442343
63553213130435
7425054424005
oct100532143167
924358217205
108680687223
11375502687a
121823189a1b
13a8457cb20
145c4c55a75
1535c155718
hex20568c677

8680687223 has 8 divisors (see below), whose sum is σ = 9352431648. Its totient is φ = 8009514144.

The previous prime is 8680687153. The next prime is 8680687229. The reversal of 8680687223 is 3227860868.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8680687223 - 28 = 8680686967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8680687229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111011 + ... + 172292.

It is an arithmetic number, because the mean of its divisors is an integer number (1169053956).

Almost surely, 28680687223 is an apocalyptic number.

8680687223 is a deficient number, since it is larger than the sum of its proper divisors (671744425).

8680687223 is a wasteful number, since it uses less digits than its factorization.

8680687223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285673.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The square root of 8680687223 is about 93170.2056614667. The cubic root of 8680687223 is about 2055.1871195911.

The spelling of 8680687223 in words is "eight billion, six hundred eighty million, six hundred eighty-seven thousand, two hundred twenty-three".

Divisors: 1 13 2357 30641 283303 3682939 667745171 8680687223