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13307200479 = 333713320521
BaseRepresentation
bin11000110010010101…
…11100001111011111
31021100101211211022000
430121022330033133
5204223120403404
610040243253343
7650523223566
oct143112741737
937311754260
1013307200479
115709627751
1226b467a253
131340c21031
14903494bdd
1552d3d4339
hex3192bc3df

13307200479 has 16 divisors (see below), whose sum is σ = 20247193440. Its totient is φ = 8631696960.

The previous prime is 13307200471. The next prime is 13307200481. The reversal of 13307200479 is 97400270331.

It is not a de Polignac number, because 13307200479 - 23 = 13307200471 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13307200471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6659262 + ... + 6661259.

It is an arithmetic number, because the mean of its divisors is an integer number (1265449590).

Almost surely, 213307200479 is an apocalyptic number.

13307200479 is a deficient number, since it is larger than the sum of its proper divisors (6939992961).

13307200479 is a wasteful number, since it uses less digits than its factorization.

13307200479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13320567 (or 13320561 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The spelling of 13307200479 in words is "thirteen billion, three hundred seven million, two hundred thousand, four hundred seventy-nine".

Divisors: 1 3 9 27 37 111 333 999 13320521 39961563 119884689 359654067 492859277 1478577831 4435733493 13307200479