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5185768806 = 2322941337719
BaseRepresentation
bin1001101010001100…
…01000110101100110
3111101101221100110100
410311012020311212
541110024100211
62214325004530
7242336210331
oct46506106546
914341840410
105185768806
11222125a949
121008853746
136484a246a
14372a1b618
152053ee156
hex135188d66

5185768806 has 96 divisors (see below), whose sum is σ = 11958710400. Its totient is φ = 1621186560.

The previous prime is 5185768769. The next prime is 5185768871. The reversal of 5185768806 is 6088675815.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7212115 + ... + 7212833.

It is an arithmetic number, because the mean of its divisors is an integer number (124569900).

Almost surely, 25185768806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5185768806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5979355200).

5185768806 is an abundant number, since it is smaller than the sum of its proper divisors (6772941594).

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

5185768806 is a wasteful number, since it uses less digits than its factorization.

5185768806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1131 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The square root of 5185768806 is about 72012.2823273919. The cubic root of 5185768806 is about 1730.8963030112.

The spelling of 5185768806 in words is "five billion, one hundred eighty-five million, seven hundred sixty-eight thousand, eight hundred six".

Divisors: 1 2 3 6 9 18 29 41 58 82 87 123 174 246 261 337 369 522 674 719 738 1011 1189 1438 2022 2157 2378 3033 3567 4314 6066 6471 7134 9773 10701 12942 13817 19546 20851 21402 27634 29319 29479 41451 41702 58638 58958 62553 82902 87957 88437 124353 125106 175914 176874 187659 242303 248706 265311 375318 400693 484606 530622 726909 801386 854891 1202079 1453818 1709782 2180727 2404158 2564673 3606237 4361454 5129346 7026787 7212474 7694019 9934423 14053574 15388038 19868846 21080361 29803269 42160722 59606538 63241083 89409807 126482166 178819614 288098267 576196534 864294801 1728589602 2592884403 5185768806