Search a number
-
+
13409358420 = 2235827270241
BaseRepresentation
bin11000111110100001…
…01001001001010100
31021121112001222122110
430133100221021110
5204430243432140
610054333031020
7653203444263
oct143720511124
937545058573
1013409358420
1157612624a7
122722925470
13135913bb13
14912c885da
15537363380
hex31f429254

13409358420 has 48 divisors (see below), whose sum is σ = 37591743168. Its totient is φ = 3571491840.

The previous prime is 13409358377. The next prime is 13409358421. The reversal of 13409358420 is 2485390431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409358421) 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, 85501 + ... + 184740.

It is an arithmetic number, because the mean of its divisors is an integer number (783161316).

Almost surely, 213409358420 is an apocalyptic number.

13409358420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13409358420 is an abundant number, since it is smaller than the sum of its proper divisors (24182384748).

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

13409358420 is a wasteful number, since it uses less digits than its factorization.

13409358420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271080 (or 271078 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 13409358420 in words is "thirteen billion, four hundred nine million, three hundred fifty-eight thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 827 1654 2481 3308 4135 4962 8270 9924 12405 16540 24810 49620 270241 540482 810723 1080964 1351205 1621446 2702410 3242892 4053615 5404820 8107230 16214460 223489307 446978614 670467921 893957228 1117446535 1340935842 2234893070 2681871684 3352339605 4469786140 6704679210 13409358420