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5209329888 = 253378291039
BaseRepresentation
bin1001101101000000…
…00001000011100000
3111110001021101012000
410312200001003200
541132042024023
62220530004000
7243043400460
oct46640010340
914401241160
105209329888
112233592714
121014716600
13650331729
14375bd1ba0
15207505243
hex1368010e0

5209329888 has 192 divisors, whose sum is σ = 17402112000. Its totient is φ = 1485153792.

The previous prime is 5209329871. The next prime is 5209329949. The reversal of 5209329888 is 8889239025.

5209329888 is a `hidden beast` number, since 520 + 9 + 32 + 9 + 8 + 88 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5013273 + ... + 5014311.

It is an arithmetic number, because the mean of its divisors is an integer number (90636000).

Almost surely, 25209329888 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 5209329888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8701056000).

5209329888 is an abundant number, since it is smaller than the sum of its proper divisors (12192782112).

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

5209329888 is a wasteful number, since it uses less digits than its factorization.

5209329888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1894 (or 1880 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The square root of 5209329888 is about 72175.6876517294. The cubic root of 5209329888 is about 1733.5137344123.

The spelling of 5209329888 in words is "five billion, two hundred nine million, three hundred twenty-nine thousand, eight hundred eighty-eight".