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67742329420 = 2253387116471
BaseRepresentation
bin111111000101110000…
…011110101001001100
320110212002010220001201
4333011300132221030
52102214014020140
651042001115244
74615501204453
oct770560365114
9213762126051
1067742329420
1126802862817
1211166928b24
1365077a33bc
1433c8c45b9a
151b6730149a
hexfc5c1ea4c

67742329420 has 12 divisors (see below), whose sum is σ = 142258891824. Its totient is φ = 27096931760.

The previous prime is 67742329409. The next prime is 67742329477. The reversal of 67742329420 is 2492324776.

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 3 ways as a sum of consecutive naturals, for example, 1693558216 + ... + 1693558255.

It is an arithmetic number, because the mean of its divisors is an integer number (11854907652).

Almost surely, 267742329420 is an apocalyptic number.

It is an amenable number.

67742329420 is an abundant number, since it is smaller than the sum of its proper divisors (74516562404).

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

67742329420 is a wasteful number, since it uses less digits than its factorization.

67742329420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387116480 (or 3387116478 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 67742329420 in words is "sixty-seven billion, seven hundred forty-two million, three hundred twenty-nine thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3387116471 6774232942 13548465884 16935582355 33871164710 67742329420