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67085826836 = 22717140936611
BaseRepresentation
bin111110011110101000…
…000111101100010100
320102011022211002211012
4332132220013230110
52044342432424321
650452510031352
74563310055660
oct763650075424
9212138732735
1067085826836
11264a62226a6
1211002aa8558
136431783732
1433659918a0
151b2987205b
hexf9ea07b14

67085826836 has 24 divisors (see below), whose sum is σ = 142064104896. Its totient is φ = 27059829120.

The previous prime is 67085826827. The next prime is 67085826877. The reversal of 67085826836 is 63862858076.

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, 70467830 + ... + 70468781.

It is an arithmetic number, because the mean of its divisors is an integer number (5919337704).

Almost surely, 267085826836 is an apocalyptic number.

It is an amenable number.

67085826836 is an abundant number, since it is smaller than the sum of its proper divisors (74978278060).

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

67085826836 is a wasteful number, since it uses less digits than its factorization.

67085826836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140936639 (or 140936637 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 67085826836 in words is "sixty-seven billion, eighty-five million, eight hundred twenty-six thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 17 28 34 68 119 238 476 140936611 281873222 563746444 986556277 1973112554 2395922387 3946225108 4791844774 9583689548 16771456709 33542913418 67085826836