Base | Representation |
---|---|
bin | 11000110110010000… |
… | …01100111000100000 |
3 | 1021102200122002001010 |
4 | 30123020030320200 |
5 | 204310022133030 |
6 | 10043415140520 |
7 | 651402304050 |
oct | 143310147040 |
9 | 37380562033 |
10 | 13340036640 |
11 | 5726114a77 |
12 | 2703674740 |
13 | 1347979c08 |
14 | 9079a1560 |
15 | 53121d6b0 |
hex | 31b20ce20 |
13340036640 has 384 divisors, whose sum is σ = 49119436800. Its totient is φ = 2980454400.
The previous prime is 13340036597. The next prime is 13340036659. The reversal of 13340036640 is 4663004331.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 13340036598 and 13340036607.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47473300 + ... + 47473580.
It is an arithmetic number, because the mean of its divisors is an integer number (127915200).
Almost surely, 213340036640 is an apocalyptic number.
13340036640 is a gapful number since it is divisible by the number (10) 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 13340036640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24559718400).
13340036640 is an abundant number, since it is smaller than the sum of its proper divisors (35779400160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13340036640 is a wasteful number, since it uses less digits than its factorization.
13340036640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 576 (or 568 counting only the distinct ones).
The product of its (nonzero) digits is 15552, while the sum is 30.
The spelling of 13340036640 in words is "thirteen billion, three hundred forty million, thirty-six thousand, six hundred forty".
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