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5211309312 = 28341123167
BaseRepresentation
bin1001101101001111…
…00100010100000000
3111110011222221110000
410312213210110000
541133043344222
62221040240000
7243066253416
oct46647442400
914404887400
105211309312
112234714900
121015310000
136508756a1
143761892b6
152077969ac
hex1369e4500

5211309312 has 540 divisors, whose sum is σ = 17894386048. Its totient is φ = 1505433600.

The previous prime is 5211309263. The next prime is 5211309329. The reversal of 5211309312 is 2139031125.

5211309312 is a `hidden beast` number, since 521 + 130 + 9 + 3 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 77780703 + ... + 77780769.

Almost surely, 25211309312 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 5211309312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8947193024).

5211309312 is an abundant number, since it is smaller than the sum of its proper divisors (12683076736).

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

5211309312 is a wasteful number, since it uses less digits than its factorization.

5211309312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 5211309312 is about 72189.3988893106. The cubic root of 5211309312 is about 1733.7332715533.

The spelling of 5211309312 in words is "five billion, two hundred eleven million, three hundred nine thousand, three hundred twelve".