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13012403042 = 2192371920707
BaseRepresentation
bin11000001111001100…
…11000001101100010
31020120212010120020102
430013212120031202
5203122133344132
65551112542402
7640313413052
oct140746301542
936525116212
1013012403042
115578187001
1226319b1a02
1312c4b25292
148b6277562
155125a1c62
hex307998362

13012403042 has 32 divisors (see below), whose sum is σ = 21470054400. Its totient is φ = 5887295568.

The previous prime is 13012403029. The next prime is 13012403059. The reversal of 13012403042 is 24030421031.

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, 618053 + ... + 638759.

It is an arithmetic number, because the mean of its divisors is an integer number (670939200).

Almost surely, 213012403042 is an apocalyptic number.

13012403042 is a deficient number, since it is larger than the sum of its proper divisors (8457651358).

13012403042 is a wasteful number, since it uses less digits than its factorization.

13012403042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21470.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13012403042 its reverse (24030421031), we get a palindrome (37042824073).

The spelling of 13012403042 in words is "thirteen billion, twelve million, four hundred three thousand, forty-two".

Divisors: 1 2 19 23 38 46 437 719 874 1438 13661 16537 20707 27322 33074 41414 314203 393433 476261 628406 786866 952522 9048959 14888333 18097918 29776666 282878327 342431659 565756654 684863318 6506201521 13012403042