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8380685343 = 328116376073
BaseRepresentation
bin1111100111000011…
…10001110000011111
3210122001201221000110
413303201301300133
5114130423412333
63503335101103
7414452435652
oct76341616037
923561657013
108380685343
113610750a38
12175a811793
13a37381214
14597081899
15340b46063
hex1f3871c1f

8380685343 has 16 divisors (see below), whose sum is σ = 11222711136. Its totient is φ = 5562923520.

The previous prime is 8380685323. The next prime is 8380685351. The reversal of 8380685343 is 3435860838.

It is not a de Polignac number, because 8380685343 - 221 = 8378588191 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 8380685292 and 8380685301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8380685323) 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, 1376955 + ... + 1383027.

It is an arithmetic number, because the mean of its divisors is an integer number (701419446).

Almost surely, 28380685343 is an apocalyptic number.

8380685343 is a deficient number, since it is larger than the sum of its proper divisors (2842025793).

8380685343 is a wasteful number, since it uses less digits than its factorization.

8380685343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7994.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The square root of 8380685343 is about 91546.0831658023. The cubic root of 8380685343 is about 2031.2334745190.

The spelling of 8380685343 in words is "eight billion, three hundred eighty million, six hundred eighty-five thousand, three hundred forty-three".

Divisors: 1 3 281 843 1637 4911 6073 18219 459997 1379991 1706513 5119539 9941501 29824503 2793561781 8380685343