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13000320142 = 272723993727
BaseRepresentation
bin11000001101110000…
…10010010010001110
31020120000101200121121
430012320102102032
5203111040221032
65550001551154
7640105616665
oct140670222216
936500350547
1013000320142
115571383a37
1226299454ba
1312c2484634
148b480dddc
155114b6a97
hex306e1248e

13000320142 has 16 divisors (see below), whose sum is σ = 19540684800. Its totient is φ = 6486772248.

The previous prime is 13000320101. The next prime is 13000320209. The reversal of 13000320142 is 24102300031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3486283 + ... + 3490009.

It is an arithmetic number, because the mean of its divisors is an integer number (1221292800).

Almost surely, 213000320142 is an apocalyptic number.

13000320142 is a deficient number, since it is larger than the sum of its proper divisors (6540364658).

13000320142 is a wasteful number, since it uses less digits than its factorization.

13000320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 13000320142 its reverse (24102300031), we get a palindrome (37102620173).

The spelling of 13000320142 in words is "thirteen billion, three hundred twenty thousand, one hundred forty-two".

Divisors: 1 2 727 1454 2399 3727 4798 7454 1744073 2709529 3488146 5419058 8941073 17882146 6500160071 13000320142