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13220132330 = 253392338971
BaseRepresentation
bin11000100111111101…
…10011010111101010
31021010100000022020202
430103332303113222
5204033323213310
610023453152202
7645415161566
oct142376632752
937110008222
1013220132330
1156744690a9
12268b48b662
131328b87712
148d5aac6a6
155259363a5
hex313fb35ea

13220132330 has 16 divisors (see below), whose sum is σ = 23797550304. Its totient is φ = 5287761360.

The previous prime is 13220132329. The next prime is 13220132339. The reversal of 13220132330 is 3323102231.

It is a super-2 number, since 2×132201323302 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13220132339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319745 + ... + 358715.

It is an arithmetic number, because the mean of its divisors is an integer number (1487346894).

Almost surely, 213220132330 is an apocalyptic number.

13220132330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220132330 is a deficient number, since it is larger than the sum of its proper divisors (10577417974).

13220132330 is a wasteful number, since it uses less digits than its factorization.

13220132330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72901.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13220132330 its reverse (3323102231), we get a palindrome (16543234561).

The spelling of 13220132330 in words is "thirteen billion, two hundred twenty million, one hundred thirty-two thousand, three hundred thirty".

Divisors: 1 2 5 10 33923 38971 67846 77942 169615 194855 339230 389710 1322013233 2644026466 6610066165 13220132330