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13223424240 = 24325131412759
BaseRepresentation
bin11000101000010110…
…10111000011110000
31021010120012112220100
430110023113003300
5204040144033430
610024051512400
7645455152155
oct142413270360
937116175810
1013223424240
115676307394
1226905b8700
13132976abb0
148d62c822c
15525d86960
hex3142d70f0

13223424240 has 120 divisors (see below), whose sum is σ = 47824751520. Its totient is φ = 3254994432.

The previous prime is 13223424233. The next prime is 13223424283. The reversal of 13223424240 is 4242432231.

13223424240 is a `hidden beast` number, since 1 + 3 + 2 + 234 + 2 + 424 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 697020 + ... + 715739.

It is an arithmetic number, because the mean of its divisors is an integer number (398539596).

Almost surely, 213223424240 is an apocalyptic number.

13223424240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13223424240 is an abundant number, since it is smaller than the sum of its proper divisors (34601327280).

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

13223424240 is a wasteful number, since it uses less digits than its factorization.

13223424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412791 (or 1412782 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 13223424240 its reverse (4242432231), we get a palindrome (17465856471).

The spelling of 13223424240 in words is "thirteen billion, two hundred twenty-three million, four hundred twenty-four thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 60 65 72 78 80 90 104 117 120 130 144 156 180 195 208 234 240 260 312 360 390 468 520 585 624 720 780 936 1040 1170 1560 1872 2340 3120 4680 9360 1412759 2825518 4238277 5651036 7063795 8476554 11302072 12714831 14127590 16953108 18365867 21191385 22604144 25429662 28255180 33906216 36731734 42382770 50859324 55097601 56510360 63574155 67812432 73463468 84765540 91829335 101718648 110195202 113020720 127148310 146926936 165292803 169531080 183658670 203437296 220390404 254296620 275488005 293853872 330585606 339062160 367317340 440780808 508593240 550976010 661171212 734634680 826464015 881561616 1017186480 1101952020 1322342424 1469269360 1652928030 2203904040 2644684848 3305856060 4407808080 6611712120 13223424240