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13121033023200 = 253527374891741
BaseRepresentation
bin1011111011101111101010…
…0000110010111011100000
31201110100200100111011012110
42332323322200302323200
53204433333423220300
643523415214155320
72522651300334264
oct276737240627340
951410610434173
1013121033023200
1141a96650934a3
12157ab3b4b2b40
13742400ba29cb
143350c06340a4
1517b495193550
hexbeefa832ee0

13121033023200 has 144 divisors (see below), whose sum is σ = 43294017349296. Its totient is φ = 3451011379200.

The previous prime is 13121033023183. The next prime is 13121033023253. The reversal of 13121033023200 is 232033012131.

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, 37270671 + ... + 37621070.

It is an arithmetic number, because the mean of its divisors is an integer number (300652898259).

Almost surely, 213121033023200 is an apocalyptic number.

13121033023200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13121033023200 is an abundant number, since it is smaller than the sum of its proper divisors (30172984326096).

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

13121033023200 is a wasteful number, since it uses less digits than its factorization.

13121033023200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74891837 (or 74891824 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 13121033023200 its reverse (232033012131), we get a palindrome (13353066035331).

The spelling of 13121033023200 in words is "thirteen trillion, one hundred twenty-one billion, thirty-three million, twenty-three thousand, two hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 73 75 80 96 100 120 146 150 160 200 219 240 292 300 365 400 438 480 584 600 730 800 876 1095 1168 1200 1460 1752 1825 2190 2336 2400 2920 3504 3650 4380 5475 5840 7008 7300 8760 10950 11680 14600 17520 21900 29200 35040 43800 58400 87600 175200 74891741 149783482 224675223 299566964 374458705 449350446 599133928 748917410 898700892 1123376115 1198267856 1497834820 1797401784 1872293525 2246752230 2396535712 2995669640 3594803568 3744587050 4493504460 5467097093 5616880575 5991339280 7189607136 7489174100 8987008920 10934194186 11233761150 11982678560 14978348200 16401291279 17974017840 21868388372 22467522300 27335485465 29956696400 32802582558 35948035680 43736776744 44935044600 54670970930 59913392800 65605165116 82006456395 87473553488 89870089200 109341941860 131210330232 136677427325 164012912790 174947106976 179740178400 218683883720 262420660464 273354854650 328025825580 410032281975 437367767440 524841320928 546709709300 656051651160 820064563950 874735534880 1093419418600 1312103302320 1640129127900 2186838837200 2624206604640 3280258255800 4373677674400 6560516511600 13121033023200