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5691291984 = 2434743159
BaseRepresentation
bin1010100110011101…
…00011100101010000
3112200122011120220000
411103032203211100
543123432320414
62340424050000
7261015120000
oct52316434520
915618146800
105691291984
1124606499a4
12112a003900
136c913c4c1
143bdc10000
152349a8b09
hex1533a3950

5691291984 has 500 divisors, whose sum is σ = 20172577920. Its totient is φ = 1546957440.

The previous prime is 5691291973. The next prime is 5691291997. The reversal of 5691291984 is 4891921965.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 5691291984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 96462547 + ... + 96462605.

Almost surely, 25691291984 is an apocalyptic number.

5691291984 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5691291984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10086288960).

5691291984 is an abundant number, since it is smaller than the sum of its proper divisors (14481285936).

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

5691291984 is an equidigital number, since it uses as much as digits as its factorization.

5691291984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 102 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 54.

The square root of 5691291984 is about 75440.6520650504. The cubic root of 5691291984 is about 1785.4058592690.

The spelling of 5691291984 in words is "five billion, six hundred ninety-one million, two hundred ninety-one thousand, nine hundred eighty-four".