Search a number
-
+
13550202340 = 2254158728151
BaseRepresentation
bin11001001111010011…
…11010110111100100
31021222100002121011221
430213221322313210
5210222322433330
610120323510124
7656533551043
oct144751726744
937870077157
1013550202340
115823810634
122761b28344
13137c38330c
1492786c55a
155448d4b7a
hex327a7ade4

13550202340 has 48 divisors (see below), whose sum is σ = 29200155264. Its totient is φ = 5278688000.

The previous prime is 13550202283. The next prime is 13550202343. The reversal of 13550202340 is 4320205531.

It is not an unprimeable number, because it can be changed into a prime (13550202343) 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, 467265 + ... + 495415.

It is an arithmetic number, because the mean of its divisors is an integer number (608336568).

Almost surely, 213550202340 is an apocalyptic number.

13550202340 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 13550202340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14600077632).

13550202340 is an abundant number, since it is smaller than the sum of its proper divisors (15649952924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13550202340 is a wasteful number, since it uses less digits than its factorization.

13550202340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28788 (or 28786 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 13550202340 its reverse (4320205531), we get a palindrome (17870407871).

The spelling of 13550202340 in words is "thirteen billion, five hundred fifty million, two hundred two thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 41 82 164 205 410 587 820 1174 2348 2935 5870 11740 24067 28151 48134 56302 96268 112604 120335 140755 240670 281510 481340 563020 1154191 2308382 4616764 5770955 11541910 16524637 23083820 33049274 66098548 82623185 165246370 330492740 677510117 1355020234 2710040468 3387550585 6775101170 13550202340