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985900000471 = 19307426139667
BaseRepresentation
bin11100101100011000011…
…10000010010011010111
310111020210001210020100021
432112030032002103113
5112123110400003341
62032525522330011
7131141343506461
oct16261416022327
93436701706307
10985900000471
11350132936621
1213b0a7ab9907
1371c7c046459
1435a0997d131
151a9a397d9d1
hexe58c3824d7

985900000471 has 16 divisors (see below), whose sum is σ = 1041440498560. Its totient is φ = 930726197280.

The previous prime is 985900000457. The next prime is 985900000493. The reversal of 985900000471 is 174000009589.

It is a cyclic number.

It is not a de Polignac number, because 985900000471 - 219 = 985899476183 is a prime.

It is a super-3 number, since 3×9859000004713 (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985900007471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24834580 + ... + 24874246.

It is an arithmetic number, because the mean of its divisors is an integer number (65090031160).

Almost surely, 2985900000471 is an apocalyptic number.

985900000471 is the 573266-th hex number.

985900000471 is a deficient number, since it is larger than the sum of its proper divisors (55540498089).

985900000471 is a wasteful number, since it uses less digits than its factorization.

985900000471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44254.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 985900000471 in words is "nine hundred eighty-five billion, nine hundred million, four hundred seventy-one", and thus it is an aban number.

Divisors: 1 19 307 4261 5833 39667 80959 753673 1308127 12177769 24854413 169021087 231377611 3211400653 51889473709 985900000471