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6996017756 = 2271319219829
BaseRepresentation
bin1101000001111111…
…01100001001011100
3200001120020112011202
412200333230021130
5103311440032011
63114112535032
7335240112140
oct64077541134
920046215152
106996017756
112a70084762
121432b51478
138765404a0
144a5201220
152ae2ce23b
hex1a0fec25c

6996017756 has 24 divisors (see below), whose sum is σ = 15068346720. Its totient is φ = 2767655232.

The previous prime is 6996017747. The next prime is 6996017839. The reversal of 6996017756 is 6577106996.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9609551 + ... + 9610278.

It is an arithmetic number, because the mean of its divisors is an integer number (627847780).

Almost surely, 26996017756 is an apocalyptic number.

It is an amenable number.

6996017756 is an abundant number, since it is smaller than the sum of its proper divisors (8072328964).

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

6996017756 is a wasteful number, since it uses less digits than its factorization.

6996017756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19219853 (or 19219851 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 56.

The square root of 6996017756 is about 83642.2008079654. The cubic root of 6996017756 is about 1912.5683635466.

The spelling of 6996017756 in words is "six billion, nine hundred ninety-six million, seventeen thousand, seven hundred fifty-six".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 19219829 38439658 76879316 134538803 249857777 269077606 499715554 538155212 999431108 1749004439 3498008878 6996017756