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13449138679293 = 331144614394401
BaseRepresentation
bin1100001110110101111100…
…1000100010110111111101
31202121201120121011110000020
43003231133020202313331
53230322314000214133
644334240553122353
72555445123364152
oct303553710426775
952551517143006
1013449138679293
114315825191149
1216126493b93b9
1376732c793445
14346d2838a229
15184c99ed90b3
hexc3b5f222dfd

13449138679293 has 8 divisors (see below), whose sum is σ = 18510642483456. Its totient is φ = 8676863664000.

The previous prime is 13449138679283. The next prime is 13449138679297. The reversal of 13449138679293 is 39297683194431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13449138679293 - 238 = 13174260772349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13449138679297) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72307197108 + ... + 72307197293.

It is an arithmetic number, because the mean of its divisors is an integer number (2313830310432).

Almost surely, 213449138679293 is an apocalyptic number.

It is an amenable number.

13449138679293 is a deficient number, since it is larger than the sum of its proper divisors (5061503804163).

13449138679293 is a wasteful number, since it uses less digits than its factorization.

13449138679293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144614394435.

The product of its digits is 211631616, while the sum is 69.

The spelling of 13449138679293 in words is "thirteen trillion, four hundred forty-nine billion, one hundred thirty-eight million, six hundred seventy-nine thousand, two hundred ninety-three".

Divisors: 1 3 31 93 144614394401 433843183203 4483046226431 13449138679293