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231302013320320 = 275719502655627
BaseRepresentation
bin110100100101111000110010…
…010101101111110010000000
31010022222020221000002112112221
4310211320302111233302000
5220304123010402222240
62135534402240500424
766502006341436105
oct6445706225576200
91108866830075487
10231302013320320
11677776a6540988
1221b37a6831a714
139c0a8bc954857
144119111ac0aac
151bb1a698d2a4a
hexd25e3256fc80

231302013320320 has 64 divisors (see below), whose sum is σ = 553725439804800. Its totient is φ = 92392125303808.

The previous prime is 231302013320317. The next prime is 231302013320341. The reversal of 231302013320320 is 23023310203132.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250867654 + ... + 251787973.

It is an arithmetic number, because the mean of its divisors is an integer number (8651959996950).

Almost surely, 2231302013320320 is an apocalyptic number.

231302013320320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231302013320320 is an abundant number, since it is smaller than the sum of its proper divisors (322423426484480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231302013320320 is an equidigital number, since it uses as much as digits as its factorization.

231302013320320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502656365 (or 502656353 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 231302013320320 its reverse (23023310203132), we get a palindrome (254325323523452).

The spelling of 231302013320320 in words is "two hundred thirty-one trillion, three hundred two billion, thirteen million, three hundred twenty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 719 1438 2876 3595 5752 7190 11504 14380 23008 28760 46016 57520 92032 115040 230080 460160 502655627 1005311254 2010622508 2513278135 4021245016 5026556270 8042490032 10053112540 16084980064 20106225080 32169960128 40212450160 64339920256 80424900320 160849800640 321699601280 361409395813 722818791626 1445637583252 1807046979065 2891275166504 3614093958130 5782550333008 7228187916260 11565100666016 14456375832520 23130201332032 28912751665040 46260402664064 57825503330080 115651006660160 231302013320320