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30239817803 = 139734769109
BaseRepresentation
bin11100001010011011…
…110000000001001011
32220001110112220112222
4130022123300001023
5443412343132203
621520400124255
72120241132056
oct341233600113
986043486488
1030239817803
1111908652768
125a3b30668b
132b0bc81020
14166c233a9d
15bbebeb038
hex70a6f004b

30239817803 has 16 divisors (see below), whose sum is σ = 32996984160. Its totient is φ = 27545895936.

The previous prime is 30239817781. The next prime is 30239817823. The reversal of 30239817803 is 30871893203.

It is not a de Polignac number, because 30239817803 - 28 = 30239817547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30239817823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 403013 + ... + 472121.

It is an arithmetic number, because the mean of its divisors is an integer number (2062311510).

Almost surely, 230239817803 is an apocalyptic number.

30239817803 is a deficient number, since it is larger than the sum of its proper divisors (2757166357).

30239817803 is a wasteful number, since it uses less digits than its factorization.

30239817803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69566.

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 30239817803 in words is "thirty billion, two hundred thirty-nine million, eight hundred seventeen thousand, eight hundred three".

Divisors: 1 13 97 347 1261 4511 33659 69109 437567 898417 6703573 23980823 87146449 311750699 2326139831 30239817803