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5211233920 = 27531237229
BaseRepresentation
bin1001101101001110…
…10001111010000000
3111110011212010000201
410312213101322000
541133033441140
62221034454544
7243065520544
oct46647217200
914404763021
105211233920
1122346731a2
121015294454
1365084a289
14376169a24
1520777e49a
hex1369d1e80

5211233920 has 192 divisors, whose sum is σ = 13278594600. Its totient is φ = 1954160640.

The previous prime is 5211233891. The next prime is 5211233921. The reversal of 5211233920 is 293321125.

It can be written as a sum of positive squares in 4 ways, for example, as 5208220224 + 3013696 = 72168^2 + 1736^2 .

It is not an unprimeable number, because it can be changed into a prime (5211233921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22756366 + ... + 22756594.

Almost surely, 25211233920 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 5211233920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6639297300).

5211233920 is an abundant number, since it is smaller than the sum of its proper divisors (8067360680).

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

5211233920 is a wasteful number, since it uses less digits than its factorization.

5211233920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 5211233920 is about 72188.8767054870. The cubic root of 5211233920 is about 1733.7249108745.

The spelling of 5211233920 in words is "five billion, two hundred eleven million, two hundred thirty-three thousand, nine hundred twenty".