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6919986424 = 2313401165931
BaseRepresentation
bin1100111000111011…
…01001110011111000
3122212021011201210111
412130131221303320
5103133004031144
63102355154104
7333324625351
oct63435516370
918767151714
106919986424
112a3117424a
1214115a5934
1386386c630
1449908cd28
152a77b1534
hex19c769cf8

6919986424 has 32 divisors (see below), whose sum is σ = 14007979440. Its totient is φ = 3185856000.

The previous prime is 6919986419. The next prime is 6919986481. The reversal of 6919986424 is 4246899196.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41262 + ... + 124669.

Almost surely, 26919986424 is an apocalyptic number.

It is an amenable number.

6919986424 is an abundant number, since it is smaller than the sum of its proper divisors (7087993016).

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

6919986424 is a wasteful number, since it uses less digits than its factorization.

6919986424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166351 (or 166347 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 58.

The square root of 6919986424 is about 83186.4557725595. The cubic root of 6919986424 is about 1905.6146407310.

The spelling of 6919986424 in words is "six billion, nine hundred nineteen million, nine hundred eighty-six thousand, four hundred twenty-four".

Divisors: 1 2 4 8 13 26 52 104 401 802 1604 3208 5213 10426 20852 41704 165931 331862 663724 1327448 2157103 4314206 8628412 17256824 66538331 133076662 266153324 532306648 864998303 1729996606 3459993212 6919986424