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13020244012 = 2214921846047
BaseRepresentation
bin11000010000001000…
…10010100000101100
31020121101212221000201
430020010102200230
5203131140302022
65551553003244
7640440151036
oct141004224054
936541787021
1013020244012
115581652046
122634553524
1312c663c1c9
148b7318c56
15513100127
hex30811282c

13020244012 has 12 divisors (see below), whose sum is σ = 22938350400. Its totient is φ = 6466429616.

The previous prime is 13020244009. The next prime is 13020244091. The reversal of 13020244012 is 21044202031.

It is a super-2 number, since 2×130202440122 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10922428 + ... + 10923619.

It is an arithmetic number, because the mean of its divisors is an integer number (1911529200).

Almost surely, 213020244012 is an apocalyptic number.

It is an amenable number.

13020244012 is a deficient number, since it is larger than the sum of its proper divisors (9918106388).

13020244012 is a wasteful number, since it uses less digits than its factorization.

13020244012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21846200 (or 21846198 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 13020244012 its reverse (21044202031), we get a palindrome (34064446043).

The spelling of 13020244012 in words is "thirteen billion, twenty million, two hundred forty-four thousand, twelve".

Divisors: 1 2 4 149 298 596 21846047 43692094 87384188 3255061003 6510122006 13020244012