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11719843109380 = 2257223519957547
BaseRepresentation
bin1010101010001011110100…
…0101011101101000000100
31112111101222000110110211101
42222202331011131220010
53014004214314000010
640532004355345444
72316505431514600
oct252427505355004
945441860413741
1011719843109380
1138093a299935a
1213934738b2284
1367023a8c6523
142c7359da2500
15154cd783b73a
hexaa8bd15da04

11719843109380 has 72 divisors (see below), whose sum is σ = 29874680877888. Its totient is φ = 3843526180032.

The previous prime is 11719843109369. The next prime is 11719843109393. The reversal of 11719843109380 is 8390134891711.

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, 259956234 + ... + 260001313.

It is an arithmetic number, because the mean of its divisors is an integer number (414926123304).

Almost surely, 211719843109380 is an apocalyptic number.

11719843109380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11719843109380 is an abundant number, since it is smaller than the sum of its proper divisors (18154837768508).

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

11719843109380 is a wasteful number, since it uses less digits than its factorization.

11719843109380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519957593 (or 519957584 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 11719843109380 in words is "eleven trillion, seven hundred nineteen billion, eight hundred forty-three million, one hundred nine thousand, three hundred eighty".

Divisors: 1 2 4 5 7 10 14 20 23 28 35 46 49 70 92 98 115 140 161 196 230 245 322 460 490 644 805 980 1127 1610 2254 3220 4508 5635 11270 22540 519957547 1039915094 2079830188 2599787735 3639702829 5199575470 7279405658 10399150940 11959023581 14558811316 18198514145 23918047162 25477919803 36397028290 47836094324 50955839606 59795117905 72794056580 83713165067 101911679212 119590235810 127389599015 167426330134 239180471620 254779198030 334852660268 418565825335 509558396060 585992155469 837131650670 1171984310938 1674263301340 2343968621876 2929960777345 5859921554690 11719843109380