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13234641405 = 3529472512579
BaseRepresentation
bin11000101001101100…
…01001100111111101
31021011100022102221220
430110312021213331
5204101032011110
610025132143553
7645652411236
oct142466114775
937140272856
1013234641405
115681678a77
122694307bb9
13132bb9777b
148d79a808d
15526d50370
hex314d899fd

13234641405 has 64 divisors (see below), whose sum is σ = 22469529600. Its totient is φ = 6640928000.

The previous prime is 13234641401. The next prime is 13234641449. The reversal of 13234641405 is 50414643231.

It is a happy number.

It is not a de Polignac number, because 13234641405 - 22 = 13234641401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13234641401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5130406 + ... + 5132984.

It is an arithmetic number, because the mean of its divisors is an integer number (351086400).

Almost surely, 213234641405 is an apocalyptic number.

13234641405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13234641405 is a deficient number, since it is larger than the sum of its proper divisors (9234888195).

13234641405 is a wasteful number, since it uses less digits than its factorization.

13234641405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 13234641405 in words is "thirteen billion, two hundred thirty-four million, six hundred forty-one thousand, four hundred five".

Divisors: 1 3 5 15 29 47 87 141 145 235 251 435 705 753 1255 1363 2579 3765 4089 6815 7279 7737 11797 12895 20445 21837 35391 36395 38685 58985 74791 109185 121213 176955 224373 342113 363639 373955 606065 647329 1026339 1121865 1710565 1818195 1941987 3236645 3515177 5131695 9709935 10545531 17575885 18772541 30424463 52727655 56317623 91273389 93862705 152122315 281588115 456366945 882309427 2646928281 4411547135 13234641405