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13112312302103 = 721741979747137
BaseRepresentation
bin1011111011001111001010…
…1101111000101000010111
31201102112011120220121211012
42332303302231320220113
53204313003422131403
643515414011002435
72522222215411400
oct276636255705027
951375146817735
1013112312302103
1141a599a503683
121579306a3941b
13741641246b01
143348d435a9a7
1517b134780ed8
hexbecf2b78a17

13112312302103 has 48 divisors (see below), whose sum is σ = 16209540154080. Its totient is φ = 10539289829376.

The previous prime is 13112312302043. The next prime is 13112312302123. The reversal of 13112312302103 is 30120321321131.

It is not a de Polignac number, because 13112312302103 - 220 = 13112311253527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13112312302123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 278150951 + ... + 278198087.

It is an arithmetic number, because the mean of its divisors is an integer number (337698753210).

Almost surely, 213112312302103 is an apocalyptic number.

13112312302103 is a deficient number, since it is larger than the sum of its proper divisors (3097227851977).

13112312302103 is a wasteful number, since it uses less digits than its factorization.

13112312302103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48384 (or 48377 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 13112312302103 its reverse (30120321321131), we get a palindrome (43232633623234).

The spelling of 13112312302103 in words is "thirteen trillion, one hundred twelve billion, three hundred twelve million, three hundred two thousand, one hundred three".

Divisors: 1 7 17 49 119 419 797 833 2933 5579 7123 13549 20531 39053 47137 49861 94843 329959 333943 349027 663901 801329 2309713 2337601 5609303 5677031 16363207 19750403 37568189 39265121 39739217 138252821 262977323 278174519 335756851 638659213 967769747 1840841261 2350297957 4470614491 15741071191 16452085699 31294301437 110187498337 267598210247 771312488359 1873187471729 13112312302103