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67738511013245 = 597172381060379
BaseRepresentation
bin11110110011011100110011…
…11000101111010101111101
322212211201221022010001202022
433121232121320233111331
532334311432304410440
6400022350430005525
720160642310305002
oct1731563170572575
9285751838101668
1067738511013245
111a646817589316
1277202163468a5
132ba493908bb47
1412a27c07a78a9
157c707a26ecb5
hex3d9b99e2f57d

67738511013245 has 16 divisors (see below), whose sum is σ = 82171879930560. Its totient is φ = 53601012831744.

The previous prime is 67738511013223. The next prime is 67738511013259. The reversal of 67738511013245 is 54231011583776.

It is not a de Polignac number, because 67738511013245 - 218 = 67738510751101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39694535 + ... + 41365844.

It is an arithmetic number, because the mean of its divisors is an integer number (5135742495660).

Almost surely, 267738511013245 is an apocalyptic number.

It is an amenable number.

67738511013245 is a deficient number, since it is larger than the sum of its proper divisors (14433368917315).

67738511013245 is a wasteful number, since it uses less digits than its factorization.

67738511013245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81062204.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 67738511013245 in words is "sixty-seven trillion, seven hundred thirty-eight billion, five hundred eleven million, thirteen thousand, two hundred forty-five".

Divisors: 1 5 97 485 1723 8615 167131 835655 81060379 405301895 7862856763 39314283815 139667033017 698335165085 13547702202649 67738511013245