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13443103520 = 2557111091161
BaseRepresentation
bin11001000010100010…
…10111101100100000
31021200212120102012222
430201101113230200
5210012413303040
610101540210212
7654063331430
oct144121275440
937625512188
1013443103520
115779310710
122732099968
131363125632
149175502c0
1553a2cbbb5
hex321457b20

13443103520 has 96 divisors (see below), whose sum is σ = 39596086656. Its totient is φ = 4190054400.

The previous prime is 13443103489. The next prime is 13443103591. The reversal of 13443103520 is 2530134431.

It is a self number, because there is not a number n which added to its sum of digits gives 13443103520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533261 + ... + 557900.

It is an arithmetic number, because the mean of its divisors is an integer number (412459236).

Almost surely, 213443103520 is an apocalyptic number.

13443103520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13443103520 is an abundant number, since it is smaller than the sum of its proper divisors (26152983136).

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

13443103520 is a wasteful number, since it uses less digits than its factorization.

13443103520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091194 (or 1091186 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 13443103520 its reverse (2530134431), we get a palindrome (15973237951).

The spelling of 13443103520 in words is "thirteen billion, four hundred forty-three million, one hundred three thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 55 56 70 77 80 88 110 112 140 154 160 176 220 224 280 308 352 385 440 560 616 770 880 1120 1232 1540 1760 2464 3080 6160 12320 1091161 2182322 4364644 5455805 7638127 8729288 10911610 12002771 15276254 17458576 21823220 24005542 30552508 34917152 38190635 43646440 48011084 60013855 61105016 76381270 84019397 87292880 96022168 120027710 122210032 152762540 168038794 174585760 192044336 240055420 244420064 305525080 336077588 384088672 420096985 480110840 611050160 672155176 840193970 960221680 1222100320 1344310352 1680387940 1920443360 2688620704 3360775880 6721551760 13443103520