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11443681852 = 2217831120249
BaseRepresentation
bin10101010100001100…
…01011101000111100
31002112112022021022121
422222012023220330
5141414040304402
65131313452324
7553404455641
oct125206135074
932475267277
1011443681852
114942729609
1222745710a4
131104b215a5
147a7ba5dc8
1546e9d0837
hex2aa18ba3c

11443681852 has 24 divisors (see below), whose sum is σ = 21208068000. Its totient is φ = 5384348160.

The previous prime is 11443681841. The next prime is 11443681859. The reversal of 11443681852 is 25818634411.

It is a junction number, because it is equal to n+sod(n) for n = 11443681799 and 11443681808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11443681859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555024 + ... + 575272.

It is an arithmetic number, because the mean of its divisors is an integer number (883669500).

Almost surely, 211443681852 is an apocalyptic number.

It is an amenable number.

11443681852 is a deficient number, since it is larger than the sum of its proper divisors (9764386148).

11443681852 is a wasteful number, since it uses less digits than its factorization.

11443681852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28581 (or 28579 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The spelling of 11443681852 in words is "eleven billion, four hundred forty-three million, six hundred eighty-one thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 34 68 8311 16622 20249 33244 40498 80996 141287 282574 344233 565148 688466 1376932 168289439 336578878 673157756 2860920463 5721840926 11443681852