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52190208000 = 21332537809
BaseRepresentation
bin110000100110110001…
…110110000000000000
311222201020002021011200
4300212301312000000
51323341143124000
635550441141200
73525215306550
oct604661660000
9158636067150
1052190208000
1120152014807
12a14648a800
134bc97533a8
14275157d160
151556cca500
hexc26c76000

52190208000 has 672 divisors, whose sum is σ = 215296211520. Its totient is φ = 11914444800.

The previous prime is 52190207929. The next prime is 52190208013. The reversal of 52190208000 is 80209125.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×521902080002 (a number of 22 digits) contains 22 as substring.

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, 64511596 + ... + 64512404.

Almost surely, 252190208000 is an apocalyptic number.

52190208000 is a gapful number since it is divisible by the number (50) 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 52190208000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107648105760).

52190208000 is an abundant number, since it is smaller than the sum of its proper divisors (163106003520).

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

52190208000 is an equidigital number, since it uses as much as digits as its factorization.

52190208000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 826 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The spelling of 52190208000 in words is "fifty-two billion, one hundred ninety million, two hundred eight thousand".