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30171206318 = 2111371418469
BaseRepresentation
bin11100000110010110…
…000001001010101110
32212212200110002021212
4130012112001022232
5443242312100233
621505505354422
72115446010431
oct340626011256
985780402255
1030171206318
111188294a960
125a20338a12
132aca9aa506
141663093818
15bb8b96a48
hex7065812ae

30171206318 has 8 divisors (see below), whose sum is σ = 49371064920. Its totient is φ = 13714184680.

The previous prime is 30171206311. The next prime is 30171206339. The reversal of 30171206318 is 81360217103.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30171206311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685709213 + ... + 685709256.

It is an arithmetic number, because the mean of its divisors is an integer number (6171383115).

Almost surely, 230171206318 is an apocalyptic number.

30171206318 is a deficient number, since it is larger than the sum of its proper divisors (19199858602).

30171206318 is a wasteful number, since it uses less digits than its factorization.

30171206318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371418482.

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 30171206318 in words is "thirty billion, one hundred seventy-one million, two hundred six thousand, three hundred eighteen".

Divisors: 1 2 11 22 1371418469 2742836938 15085603159 30171206318