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6889434048 = 263371931967
BaseRepresentation
bin1100110101010010…
…00110101111000000
3122210010200111211000
412122221012233000
5103102143342143
63055344252000
7332504136360
oct63251065700
918703614730
106889434048
112a159a6852
121403311000
1385a4330c3
14494db89a0
152a4c78bd3
hex19aa46bc0

6889434048 has 448 divisors, whose sum is σ = 25177292800. Its totient is φ = 1802787840.

The previous prime is 6889434011. The next prime is 6889434073. The reversal of 6889434048 is 8404349886.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is a junction number, because it is equal to n+sod(n) for n = 6889433985 and 6889434003.

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, 7124061 + ... + 7125027.

Almost surely, 26889434048 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 6889434048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12588646400).

6889434048 is an abundant number, since it is smaller than the sum of its proper divisors (18287858752).

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

6889434048 is a wasteful number, since it uses less digits than its factorization.

6889434048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The square root of 6889434048 is about 83002.6147058031. The cubic root of 6889434048 is about 1902.8060152993.

The spelling of 6889434048 in words is "six billion, eight hundred eighty-nine million, four hundred thirty-four thousand, forty-eight".