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6906067938 = 2347211139569
BaseRepresentation
bin1100110111010001…
…00011101111100010
3122211021222121020000
412123220203233202
5103120423133223
63101141000430
7333065415600
oct63350435742
918737877200
106906067938
112a24328070
1214089b3116
13860a08343
144972a8870
152a6462543
hex19ba23be2

6906067938 has 240 divisors, whose sum is σ = 19813701600. Its totient is φ = 1777749120.

The previous prime is 6906067907. The next prime is 6906067943. The reversal of 6906067938 is 8397606096.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 12136918 + ... + 12137486.

It is an arithmetic number, because the mean of its divisors is an integer number (82557090).

Almost surely, 26906067938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6906067938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9906850800).

6906067938 is an abundant number, since it is smaller than the sum of its proper divisors (12907633662).

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

6906067938 is a wasteful number, since it uses less digits than its factorization.

6906067938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 731 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 6906067938 is about 83102.7552972824. The cubic root of 6906067938 is about 1904.3361664942.

The spelling of 6906067938 in words is "six billion, nine hundred six million, sixty-seven thousand, nine hundred thirty-eight".