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13396338431 = 723585114221
BaseRepresentation
bin11000111100111101…
…11110011011111111
31021120121120111120122
430132132332123333
5204413430312211
610053150005155
7652654666160
oct143636763377
937517514518
1013396338431
11575497a383
12271a4a67bb
131356530798
14911259767
155361406db
hex31e7be6ff

13396338431 has 16 divisors (see below), whose sum is σ = 15979611648. Its totient is φ = 10980684000.

The previous prime is 13396338421. The next prime is 13396338451. The reversal of 13396338431 is 13483369331.

It is a cyclic number.

It is not a de Polignac number, because 13396338431 - 26 = 13396338367 is a prime.

It is a super-2 number, since 2×133963384312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13396338421) 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, 934901 + ... + 949121.

It is an arithmetic number, because the mean of its divisors is an integer number (998725728).

Almost surely, 213396338431 is an apocalyptic number.

13396338431 is a deficient number, since it is larger than the sum of its proper divisors (2583273217).

13396338431 is a wasteful number, since it uses less digits than its factorization.

13396338431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102.

The product of its digits is 419904, while the sum is 44.

The spelling of 13396338431 in words is "thirteen billion, three hundred ninety-six million, three hundred thirty-eight thousand, four hundred thirty-one".

Divisors: 1 7 23 161 5851 14221 40957 99547 134573 327083 942011 2289581 83207071 582449497 1913762633 13396338431