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67930381783 = 1134717796799
BaseRepresentation
bin111111010000111101…
…110101110111010111
320111100011222221102001
4333100331311313113
52103110134204113
651112355500131
74623243501205
oct772075656727
9214304887361
1067930381783
1126899a252a0
12111b98b7647
1365377364a4
143405bd8075
151b78a9a7dd
hexfd0f75dd7

67930381783 has 8 divisors (see below), whose sum is σ = 74319436800. Its totient is φ = 61576921080.

The previous prime is 67930381763. The next prime is 67930381817. The reversal of 67930381783 is 38718303976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67930381783 - 233 = 59340447191 is a prime.

It is a super-2 number, since 2×679303817832 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67930381723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8894583 + ... + 8902216.

It is an arithmetic number, because the mean of its divisors is an integer number (9289929600).

Almost surely, 267930381783 is an apocalyptic number.

67930381783 is a deficient number, since it is larger than the sum of its proper divisors (6389055017).

67930381783 is a wasteful number, since it uses less digits than its factorization.

67930381783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17797157.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 67930381783 in words is "sixty-seven billion, nine hundred thirty million, three hundred eighty-one thousand, seven hundred eighty-three".

Divisors: 1 11 347 3817 17796799 195764789 6175489253 67930381783