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13030301220 = 2235534097579
BaseRepresentation
bin11000010001010101…
…01001111000100100
31020122002210212220220
430020222221320210
5203141224114340
65552552324340
7640621506246
oct141052517044
936562725826
1013030301220
1155872a1192
1226379a36b0
1312c8750b11
148b87b6096
15513e39ed0
hex308aa9e24

13030301220 has 48 divisors (see below), whose sum is σ = 37173245760. Its totient is φ = 3409184896.

The previous prime is 13030301191. The next prime is 13030301233. The reversal of 13030301220 is 2210303031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13030301220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2045610 + ... + 2051969.

It is an arithmetic number, because the mean of its divisors is an integer number (774442620).

Almost surely, 213030301220 is an apocalyptic number.

13030301220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13030301220 is an abundant number, since it is smaller than the sum of its proper divisors (24142944540).

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

13030301220 is a wasteful number, since it uses less digits than its factorization.

13030301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4097644 (or 4097642 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 13030301220 its reverse (2210303031), we get a palindrome (15240604251).

The spelling of 13030301220 in words is "thirteen billion, thirty million, three hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 4097579 8195158 12292737 16390316 20487895 24585474 40975790 49170948 61463685 81951580 122927370 217171687 245854740 434343374 651515061 868686748 1085858435 1303030122 2171716870 2606060244 3257575305 4343433740 6515150610 13030301220