Search a number
-
+
13423513425 = 3527191263509
BaseRepresentation
bin11001000000001101…
…01000111101010001
31021122111201010122220
430200012220331101
5204442404412200
610100000251253
7653434660440
oct144006507521
937574633586
1013423513425
115769250353
122727610b29
13135c05696a
14914ad0d57
1553870c4a0
hex3201a8f51

13423513425 has 96 divisors (see below), whose sum is σ = 25644072960. Its totient is φ = 6069177600.

The previous prime is 13423513403. The next prime is 13423513459. The reversal of 13423513425 is 52431532431.

It is not a de Polignac number, because 13423513425 - 25 = 13423513393 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26372071 + ... + 26372579.

It is an arithmetic number, because the mean of its divisors is an integer number (267125760).

Almost surely, 213423513425 is an apocalyptic number.

13423513425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13423513425 is a deficient number, since it is larger than the sum of its proper divisors (12220559535).

13423513425 is a wasteful number, since it uses less digits than its factorization.

13423513425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983 (or 978 counting only the distinct ones).

The product of its digits is 43200, while the sum is 33.

The spelling of 13423513425 in words is "thirteen billion, four hundred twenty-three million, five hundred thirteen thousand, four hundred twenty-five".

Divisors: 1 3 5 7 15 21 25 35 75 105 175 191 263 509 525 573 789 955 1315 1337 1527 1841 2545 2865 3563 3945 4011 4775 5523 6575 6685 7635 9205 10689 12725 14325 17815 19725 20055 27615 33425 38175 46025 50233 53445 89075 97219 100275 133867 138075 150699 251165 267225 291657 351631 401601 486095 669335 680533 753495 937069 1054893 1255825 1458285 1758155 2008005 2041599 2430475 2811207 3346675 3402665 3767475 4685345 5274465 7291425 8790775 10040025 10207995 14056035 17013325 23426725 25568597 26372325 51039975 70280175 76705791 127842985 178980179 383528955 536940537 639214925 894900895 1917644775 2684702685 4474504475 13423513425