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13304023020 = 22325180141039
BaseRepresentation
bin11000110001111101…
…10100011111101100
31021100011212101122100
430120332310133230
5204221312214040
610040051215100
7650454221061
oct143076643754
937304771570
1013304023020
115707857452
1226b35a7490
13134037a992
14902ca8c68
1552cea7b30
hex318fb47ec

13304023020 has 72 divisors (see below), whose sum is σ = 40378927680. Its totient is φ = 3545683200.

The previous prime is 13304023001. The next prime is 13304023027. The reversal of 13304023020 is 2032040331.

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

It is a junction number, because it is equal to n+sod(n) for n = 13304022984 and 13304023002.

It is not an unprimeable number, because it can be changed into a prime (13304023027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303661 + ... + 344699.

It is an arithmetic number, because the mean of its divisors is an integer number (560818440).

Almost surely, 213304023020 is an apocalyptic number.

13304023020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13304023020 is an abundant number, since it is smaller than the sum of its proper divisors (27074904660).

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

13304023020 is a wasteful number, since it uses less digits than its factorization.

13304023020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42855 (or 42850 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 13304023020 its reverse (2032040331), we get a palindrome (15336063351).

The spelling of 13304023020 in words is "thirteen billion, three hundred four million, twenty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1801 3602 5403 7204 9005 10806 16209 18010 21612 27015 32418 36020 41039 54030 64836 81045 82078 108060 123117 162090 164156 205195 246234 324180 369351 410390 492468 615585 738702 820780 1231170 1477404 1846755 2462340 3693510 7387020 73911239 147822478 221733717 295644956 369556195 443467434 665201151 739112390 886934868 1108668585 1330402302 1478224780 2217337170 2660804604 3326005755 4434674340 6652011510 13304023020