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13220130330 = 23251113353667
BaseRepresentation
bin11000100111111101…
…10010111000011010
31021010100000012111200
430103332302320122
5204033323132310
610023453135030
7645415153011
oct142376627032
937110005450
1013220130330
115674467650
12268b48a476
131328b86834
148d5aaba78
155259359c0
hex313fb2e1a

13220130330 has 48 divisors (see below), whose sum is σ = 37497099744. Its totient is φ = 3204879840.

The previous prime is 13220130317. The next prime is 13220130331. The reversal of 13220130330 is 3303102231.

13220130330 is a `hidden beast` number, since 1 + 322 + 0 + 13 + 0 + 330 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13220130331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6675844 + ... + 6677823.

It is an arithmetic number, because the mean of its divisors is an integer number (781189578).

Almost surely, 213220130330 is an apocalyptic number.

13220130330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13220130330 is an abundant number, since it is smaller than the sum of its proper divisors (24276969414).

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

13220130330 is a wasteful number, since it uses less digits than its factorization.

13220130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13353691 (or 13353688 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 13220130330 its reverse (3303102231), we get a palindrome (16523232561).

The spelling of 13220130330 in words is "thirteen billion, two hundred twenty million, one hundred thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 990 13353667 26707334 40061001 66768335 80122002 120183003 133536670 146890337 200305005 240366006 293780674 400610010 440671011 600915015 734451685 881342022 1201830030 1322013033 1468903370 2203355055 2644026066 4406710110 6610065165 13220130330