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67000470831 = 3275389225461
BaseRepresentation
bin111110011001100010…
…100000110100101111
320101221101012120101200
4332121202200310233
52044204110031311
650440220340543
74561222414440
oct763142406457
9211841176350
1067000470831
1126462023448
1210b9a3a4753
136419b99518
1433584d32c7
151b22111556
hexf998a0d2f

67000470831 has 48 divisors (see below), whose sum is σ = 113957513280. Its totient is φ = 37141378560.

The previous prime is 67000470829. The next prime is 67000470847. The reversal of 67000470831 is 13807400076.

It is not a de Polignac number, because 67000470831 - 21 = 67000470829 is a prime.

It is a super-2 number, since 2×670004708312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67000470821) 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 47 ways as a sum of consecutive naturals, for example, 184441 + ... + 409901.

It is an arithmetic number, because the mean of its divisors is an integer number (2374114860).

Almost surely, 267000470831 is an apocalyptic number.

67000470831 is a deficient number, since it is larger than the sum of its proper divisors (46957042449).

67000470831 is a wasteful number, since it uses less digits than its factorization.

67000470831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225616 (or 225613 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 67000470831 in words is "sixty-seven billion, four hundred seventy thousand, eight hundred thirty-one".

Divisors: 1 3 7 9 21 53 63 89 159 267 371 477 623 801 1113 1869 3339 4717 5607 14151 33019 42453 99057 225461 297171 676383 1578227 2029149 4734681 11949433 14204043 20066029 35848299 60198087 83646031 107544897 140462203 180594261 250938093 421386609 752814279 1063499537 1264159827 3190498611 7444496759 9571495833 22333490277 67000470831