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6780938472 = 23327113593407
BaseRepresentation
bin1100101000010110…
…01110100011101000
3122111120112100212100
412110023032203220
5102341410012342
63040511013400
7330016011630
oct62413164350
918446470770
106780938472
11296a732490
121392b0a260
13840b06739
144848156c0
1529a496e4c
hex1942ce8e8

6780938472 has 192 divisors, whose sum is σ = 22967193600. Its totient is φ = 1755861120.

The previous prime is 6780938467. The next prime is 6780938491. The reversal of 6780938472 is 2748390876.

6780938472 is a `hidden beast` number, since 6 + 7 + 80 + 93 + 8 + 472 = 666.

It is a super-2 number, since 2×67809384722 = 91962253122099389568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1988593 + ... + 1991999.

It is an arithmetic number, because the mean of its divisors is an integer number (119620800).

Almost surely, 26780938472 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 6780938472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11483596800).

6780938472 is an abundant number, since it is smaller than the sum of its proper divisors (16186255128).

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

6780938472 is a wasteful number, since it uses less digits than its factorization.

6780938472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796 (or 3789 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 6780938472 is about 82346.4539127217. The cubic root of 6780938472 is about 1892.7645843692.

The spelling of 6780938472 in words is "six billion, seven hundred eighty million, nine hundred thirty-eight thousand, four hundred seventy-two".