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13105523403 = 327906722943
BaseRepresentation
bin11000011010010011…
…00110101011001011
31020211100100120100200
430031021212223023
5203320003222103
610004240503243
7642524053020
oct141511465313
936740316320
1013105523403
1156157a9785
12265901ab23
13130b1ca59b
148c4797547
1551a8480a3
hex30d266acb

13105523403 has 24 divisors (see below), whose sum is σ = 21637843968. Its totient is φ = 7487718192.

The previous prime is 13105523401. The next prime is 13105523419. The reversal of 13105523403 is 30432550131.

13105523403 is a `hidden beast` number, since 1 + 310 + 5 + 5 + 2 + 340 + 3 = 666.

13105523403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13105523403 - 21 = 13105523401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13105523401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 559750 + ... + 582692.

It is an arithmetic number, because the mean of its divisors is an integer number (901576832).

Almost surely, 213105523403 is an apocalyptic number.

13105523403 is a deficient number, since it is larger than the sum of its proper divisors (8532320565).

13105523403 is a wasteful number, since it uses less digits than its factorization.

13105523403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32023 (or 32020 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 13105523403 in words is "thirteen billion, one hundred five million, five hundred twenty-three thousand, four hundred three".

Divisors: 1 3 7 9 21 63 9067 22943 27201 63469 68829 81603 160601 190407 206487 481803 571221 1445409 208024181 624072543 1456169267 1872217629 4368507801 13105523403