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67434620372 = 2272408379299
BaseRepresentation
bin111110110011011010…
…101010010111010100
320110001122010122121022
4332303122222113110
52101101230322442
650551245540312
74605043546520
oct766332522724
9213048118538
1067434620372
11266650a3419
121109b874698
136488b06742
14339a026d80
151b4a2bd3d2
hexfb36aa5d4

67434620372 has 12 divisors (see below), whose sum is σ = 134869240800. Its totient is φ = 28900551576.

The previous prime is 67434620369. The next prime is 67434620377. The reversal of 67434620372 is 27302643476.

67434620372 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67434620377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204189622 + ... + 1204189677.

It is an arithmetic number, because the mean of its divisors is an integer number (11239103400).

Almost surely, 267434620372 is an apocalyptic number.

It is an amenable number.

67434620372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

67434620372 is a wasteful number, since it uses less digits than its factorization.

67434620372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408379310 (or 2408379308 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 44.

The spelling of 67434620372 in words is "sixty-seven billion, four hundred thirty-four million, six hundred twenty thousand, three hundred seventy-two".

Divisors: 1 2 4 7 14 28 2408379299 4816758598 9633517196 16858655093 33717310186 67434620372