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5217799680 = 2934525163
BaseRepresentation
bin1001101110000000…
…10100111000000000
3111110122012200120000
410313000110320000
541141224042210
62221431320000
7243205364652
oct46700247000
914418180500
105217799680
112238348145
121017520000
13652008942
14376d986d2
15208129ac0
hex137014e00

5217799680 has 200 divisors, whose sum is σ = 18689252472. Its totient is φ = 1391357952.

The previous prime is 5217799679. The next prime is 5217799753. The reversal of 5217799680 is 869977125.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 194779 + ... + 219941.

Almost surely, 25217799680 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 5217799680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9344626236).

5217799680 is an abundant number, since it is smaller than the sum of its proper divisors (13471452792).

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

5217799680 is an equidigital number, since it uses as much as digits as its factorization.

5217799680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25198 (or 25173 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 54.

The square root of 5217799680 is about 72234.3386485957. The cubic root of 5217799680 is about 1734.4527259834.

The spelling of 5217799680 in words is "five billion, two hundred seventeen million, seven hundred ninety-nine thousand, six hundred eighty".