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6628820496480 = 2534571321729877
BaseRepresentation
bin110000001110110010001…
…1111011011000001100000
3212110201010220020112010000
41200131210133123001200
51332101311021341410
622033123232340000
71252626231354240
oct140354437330140
925421126215100
106628820496480
1121262a33a2586
128b08626a4600
13391130bb6300
1418cb9d9a5b20
15b766e0e1dc0
hex607647db060

6628820496480 has 2880 divisors, whose sum is σ = 31747280019840. Its totient is φ = 1269497069568.

The previous prime is 6628820496461. The next prime is 6628820496499. The reversal of 6628820496480 is 846940288266.

6628820496480 is a `hidden beast` number, since 6 + 6 + 2 + 88 + 20 + 496 + 48 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (6628820496461) and next prime (6628820496499).

It is a super-2 number, since 2×66288204964802 (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 7558517802 + ... + 7558518678.

It is an arithmetic number, because the mean of its divisors is an integer number (11023361118).

Almost surely, 26628820496480 is an apocalyptic number.

6628820496480 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6628820496480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15873640009920).

6628820496480 is an abundant number, since it is smaller than the sum of its proper divisors (25118459523360).

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

6628820496480 is a wasteful number, since it uses less digits than its factorization.

6628820496480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 953 counting only the distinct ones).

The product of its (nonzero) digits is 63700992, while the sum is 63.

The spelling of 6628820496480 in words is "six trillion, six hundred twenty-eight billion, eight hundred twenty million, four hundred ninety-six thousand, four hundred eighty".