Base | Representation |
---|---|
bin | 11001010101010111… |
… | …01100010000000100 |
3 | 1022002212200022021122 |
4 | 30222223230100010 |
5 | 210323323422104 |
6 | 10125340333112 |
7 | 661021402400 |
oct | 145253542004 |
9 | 38085608248 |
10 | 13600998404 |
11 | 584a455454 |
12 | 2776b44198 |
13 | 1389a59b66 |
14 | 9304d2100 |
15 | 5490ba6be |
hex | 32aaec404 |
13600998404 has 108 divisors (see below), whose sum is σ = 28850208912. Its totient is φ = 5593704480.
The previous prime is 13600998401. The next prime is 13600998419. The reversal of 13600998404 is 40489900631.
It is a super-2 number, since 2×136009984042 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13600998401) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 30701807 + ... + 30702249.
It is an arithmetic number, because the mean of its divisors is an integer number (267131564).
Almost surely, 213600998404 is an apocalyptic number.
13600998404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13600998404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14425104456).
13600998404 is an abundant number, since it is smaller than the sum of its proper divisors (15249210508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13600998404 is a wasteful number, since it uses less digits than its factorization.
13600998404 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 686 (or 646 counting only the distinct ones).
The product of its (nonzero) digits is 186624, while the sum is 44.
The spelling of 13600998404 in words is "thirteen billion, six hundred million, nine hundred ninety-eight thousand, four hundred four".
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