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67243025045 = 572498976883
BaseRepresentation
bin111110100111111111…
…110010001010010101
320102120021121121020002
4332213333302022111
52100203203300140
650520243221045
74600226165540
oct764777621225
9212507547202
1067243025045
1126576a30a79
1211047677785
136458202b21
14337c7d1857
151b38574415
hexfa7ff2295

67243025045 has 16 divisors (see below), whose sum is σ = 92223895680. Its totient is φ = 46107057984.

The previous prime is 67243025027. The next prime is 67243025081. The reversal of 67243025045 is 54052034276.

It is a cyclic number.

It is not a de Polignac number, because 67243025045 - 210 = 67243024021 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836174 + ... + 913056.

It is an arithmetic number, because the mean of its divisors is an integer number (5763993480).

Almost surely, 267243025045 is an apocalyptic number.

It is an amenable number.

67243025045 is a deficient number, since it is larger than the sum of its proper divisors (24980870635).

67243025045 is a wasteful number, since it uses less digits than its factorization.

67243025045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101884.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 67243025045 in words is "sixty-seven billion, two hundred forty-three million, twenty-five thousand, forty-five".

Divisors: 1 5 7 35 24989 76883 124945 174923 384415 538181 874615 2690905 1921229287 9606146435 13448605009 67243025045