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67080747268 = 2229715644627
BaseRepresentation
bin111110011110010100…
…101111100100000100
320102010222021000222001
4332132110233210010
52044340132403033
650452205115044
74563215641513
oct763624574404
9212128230861
1067080747268
11264a3373307
1211001258a84
1364306c5682
14336502c67a
151b291bbe7d
hexf9e52f904

67080747268 has 12 divisors (see below), whose sum is σ = 117430840912. Its totient is φ = 33529078440.

The previous prime is 67080747199. The next prime is 67080747269. The reversal of 67080747268 is 86274708076.

It is a happy number.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (67080747269) by changing a digit.

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, 2810430 + ... + 2834197.

Almost surely, 267080747268 is an apocalyptic number.

It is an amenable number.

67080747268 is a deficient number, since it is larger than the sum of its proper divisors (50350093644).

67080747268 is a wasteful number, since it uses less digits than its factorization.

67080747268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5647602 (or 5647600 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 55.

The spelling of 67080747268 in words is "sixty-seven billion, eighty million, seven hundred forty-seven thousand, two hundred sixty-eight".

Divisors: 1 2 4 2971 5942 11884 5644627 11289254 22578508 16770186817 33540373634 67080747268