Search a number
-
+
13585788871849 = 192554127995831
BaseRepresentation
bin1100010110110011000000…
…0111101010010010101001
31210002210021222121110211001
43011230300013222102221
53240042143422344344
644521120353035001
72601353341015045
oct305546007522251
953083258543731
1013585788871849
114368778701387
121635025255a61
1377719935454c
1434d7acb55025
151885e6ab9ed4
hexc5b301ea4a9

13585788871849 has 8 divisors (see below), whose sum is σ = 14301390818880. Its totient is φ = 12870242967600.

The previous prime is 13585788871841. The next prime is 13585788871871. The reversal of 13585788871849 is 94817888758531.

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

It is a cyclic number.

It is not a de Polignac number, because 13585788871849 - 23 = 13585788871841 is a prime.

It is a super-2 number, since 2×135857888718492 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13585788871841) 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, 13512637 + ... + 14483194.

It is an arithmetic number, because the mean of its divisors is an integer number (1787673852360).

Almost surely, 213585788871849 is an apocalyptic number.

13585788871849 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13585788871849 is a deficient number, since it is larger than the sum of its proper divisors (715601947031).

13585788871849 is a wasteful number, since it uses less digits than its factorization.

13585788871849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28021391.

The product of its digits is 4335206400, while the sum is 82.

The spelling of 13585788871849 in words is "thirteen trillion, five hundred eighty-five billion, seven hundred eighty-eight million, eight hundred seventy-one thousand, eight hundred forty-nine".

Divisors: 1 19 25541 485279 27995831 531920789 715041519571 13585788871849