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8730469805 = 512007145423
BaseRepresentation
bin10000010000110000…
…00110010110101101
3211112102220211002112
420020120012112231
5120340000013210
64002152133405
7426230524511
oct101030062655
924472824075
108730469805
113780139202
121837997265
13a91990285
145cb6d4141
153616dad05
hex2086065ad

8730469805 has 8 divisors (see below), whose sum is σ = 10477508352. Its totient is φ = 6983746128.

The previous prime is 8730469757. The next prime is 8730469817. The reversal of 8730469805 is 5089640378.

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 8730469805 - 28 = 8730469549 is a prime.

It is a super-2 number, since 2×87304698052 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12677 + ... + 132746.

It is an arithmetic number, because the mean of its divisors is an integer number (1309688544).

Almost surely, 28730469805 is an apocalyptic number.

It is an amenable number.

8730469805 is a deficient number, since it is larger than the sum of its proper divisors (1747038547).

8730469805 is a wasteful number, since it uses less digits than its factorization.

8730469805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157435.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 8730469805 is about 93436.9830688042. The cubic root of 8730469805 is about 2059.1083743859.

The spelling of 8730469805 in words is "eight billion, seven hundred thirty million, four hundred sixty-nine thousand, eight hundred five".

Divisors: 1 5 12007 60035 145423 727115 1746093961 8730469805