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13201646020 = 2251030364067
BaseRepresentation
bin11000100101110000…
…10010000111000100
31021002001020002210121
430102320102013010
5204014110133040
610021553031324
7645102065623
oct142270220704
937061202717
1013201646020
115664a92062
122685255544
1313250b4284
148d34596ba
15523ed3c4a
hex312e121c4

13201646020 has 24 divisors (see below), whose sum is σ = 27726580224. Its totient is φ = 5280063456.

The previous prime is 13201645993. The next prime is 13201646027. The reversal of 13201646020 is 2064610231.

It is not an unprimeable number, because it can be changed into a prime (13201646027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174027 + ... + 238093.

It is an arithmetic number, because the mean of its divisors is an integer number (1155274176).

Almost surely, 213201646020 is an apocalyptic number.

13201646020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13201646020 is an abundant number, since it is smaller than the sum of its proper divisors (14524934204).

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

13201646020 is a wasteful number, since it uses less digits than its factorization.

13201646020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74379 (or 74377 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The spelling of 13201646020 in words is "thirteen billion, two hundred one million, six hundred forty-six thousand, twenty".

Divisors: 1 2 4 5 10 20 10303 20606 41212 51515 64067 103030 128134 206060 256268 320335 640670 1281340 660082301 1320164602 2640329204 3300411505 6600823010 13201646020