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194844093928 = 231121912783417
BaseRepresentation
bin1011010101110110011…
…1001110110111101000
3200121221000112112000021
42311131213032313220
511143020042001203
6225302105050224
720035263320611
oct2653547166750
9617830475007
10194844093928
11756a6458700
1231918a86974
13154b20a4393
149605438c08
1551059c35bd
hex2d5d9cede8

194844093928 has 96 divisors (see below), whose sum is σ = 426032409600. Its totient is φ = 83242494720.

The previous prime is 194844093919. The next prime is 194844093929. The reversal of 194844093928 is 829390448491.

It is not an unprimeable number, because it can be changed into a prime (194844093929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2294076 + ... + 2377492.

It is an arithmetic number, because the mean of its divisors is an integer number (4437837600).

Almost surely, 2194844093928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194844093928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213016204800).

194844093928 is an abundant number, since it is smaller than the sum of its proper divisors (231188315672).

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

194844093928 is a wasteful number, since it uses less digits than its factorization.

194844093928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83591 (or 83576 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 194844093928 in words is "one hundred ninety-four billion, eight hundred forty-four million, ninety-three thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 121 127 152 209 242 254 418 484 508 836 968 1016 1397 1672 2299 2413 2794 4598 4826 5588 9196 9652 11176 15367 18392 19304 26543 30734 53086 61468 83417 106172 122936 166834 212344 291973 333668 583946 667336 917587 1167892 1584923 1835174 2335784 3169846 3670348 6339692 7340696 10093457 10593959 12679384 17434153 20186914 21187918 34868306 40373828 42375836 69736612 80747656 84751672 116533549 139473224 191775683 201285221 233067098 383551366 402570442 466134196 767102732 805140884 932268392 1281869039 1534205464 1610281768 2214137431 2563738078 4428274862 5127476156 8856549724 10254952312 17713099448 24355511741 48711023482 97422046964 194844093928