Search a number
-
+
13011204320 = 255174783531
BaseRepresentation
bin11000001111000011…
…10011100011100000
31020120202212122220022
430013201303203200
5203121332014240
65551031133012
7640300261202
oct140741634340
936522778808
1013011204320
115577538424
122631514168
1312c47c578a
148b6044772
155124169b5
hex3078738e0

13011204320 has 48 divisors (see below), whose sum is σ = 32547151728. Its totient is φ = 4898334720.

The previous prime is 13011204307. The next prime is 13011204343. The reversal of 13011204320 is 2340211031.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2389046 + ... + 2394485.

It is an arithmetic number, because the mean of its divisors is an integer number (678065661).

Almost surely, 213011204320 is an apocalyptic number.

13011204320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13011204320 is an abundant number, since it is smaller than the sum of its proper divisors (19535947408).

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

13011204320 is a wasteful number, since it uses less digits than its factorization.

13011204320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4783563 (or 4783555 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13011204320 its reverse (2340211031), we get a palindrome (15351415351).

The spelling of 13011204320 in words is "thirteen billion, eleven million, two hundred four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 4783531 9567062 19134124 23917655 38268248 47835310 76536496 81320027 95670620 153072992 162640054 191341240 325280108 382682480 406600135 650560216 765364960 813200270 1301120432 1626400540 2602240864 3252801080 6505602160 13011204320