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6738380280 = 23365673449
BaseRepresentation
bin1100100011010001…
…11000010111111000
3122101121110012000000
412101220320113320
5102300011132110
63032350513000
7325661200362
oct62150702770
918347405000
106738380280
112948704925
121380805760
13835055688
1447ccd7d32
1529688c1c0
hex191a385f8

6738380280 has 224 divisors, whose sum is σ = 23077602000. Its totient is φ = 1769568768.

The previous prime is 6738380263. The next prime is 6738380291. The reversal of 6738380280 is 820838376.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1951996 + ... + 1955444.

Almost surely, 26738380280 is an apocalyptic number.

6738380280 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 6738380280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11538801000).

6738380280 is an abundant number, since it is smaller than the sum of its proper divisors (16339221720).

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

6738380280 is a wasteful number, since it uses less digits than its factorization.

6738380280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 6738380280 is about 82087.6378025339. The cubic root of 6738380280 is about 1888.7965127348.

The spelling of 6738380280 in words is "six billion, seven hundred thirty-eight million, three hundred eighty thousand, two hundred eighty".