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5311802880 = 29335313767
BaseRepresentation
bin1001111001001101…
…11010111000000000
3111201012002112201000
410330212322320000
541334310143010
62235030212000
7245426402526
oct47446727000
914635075630
105311802880
11228641313a
121042ab4000
1366862ca37
14385668316
152114e77c0
hex13c9bae00

5311802880 has 640 divisors, whose sum is σ = 20301557760. Its totient is φ = 1313832960.

The previous prime is 5311802833. The next prime is 5311802891. The reversal of 5311802880 is 882081135.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 79280607 + ... + 79280673.

It is an arithmetic number, because the mean of its divisors is an integer number (31721184).

Almost surely, 25311802880 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 5311802880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10150778880).

5311802880 is an abundant number, since it is smaller than the sum of its proper divisors (14989754880).

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

5311802880 is a wasteful number, since it uses less digits than its factorization.

5311802880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 5311802880 is about 72882.1163249257. The cubic root of 5311802880 is about 1744.8066857002.

The spelling of 5311802880 in words is "five billion, three hundred eleven million, eight hundred two thousand, eight hundred eighty".