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6628702080 = 2735711133449
BaseRepresentation
bin1100010110001100…
…11111011110000000
3122002222001221210110
412023012133132000
5102033421431310
63013432031320
7323160016020
oct61306373600
918088057713
106628702080
1128a1802a90
12134bb32540
13818403930
1446c507a80
1528be24d20
hex18b19f780

6628702080 has 512 divisors, whose sum is σ = 28377216000. Its totient is φ = 1271070720.

The previous prime is 6628702063. The next prime is 6628702133. The reversal of 6628702080 is 802078266.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1920196 + ... + 1923644.

It is an arithmetic number, because the mean of its divisors is an integer number (55424250).

Almost surely, 26628702080 is an apocalyptic number.

6628702080 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 6628702080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14188608000).

6628702080 is an abundant number, since it is smaller than the sum of its proper divisors (21748513920).

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

6628702080 is a wasteful number, since it uses less digits than its factorization.

6628702080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502 (or 3490 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 6628702080 is about 81416.8415010064. The cubic root of 6628702080 is about 1878.4926502152.

The spelling of 6628702080 in words is "six billion, six hundred twenty-eight million, seven hundred two thousand, eighty".