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74775137211 = 3217228748611
BaseRepresentation
bin100010110100011110…
…0100000101110111011
321011000012121112200100
41011220330200232323
52211114413342321
654203510410443
75254666115325
oct1055074405673
9234005545610
1074775137211
1129791685365
12125aa060a23
137088825328
143894ca2615
151e2994b326
hex1168f20bbb

74775137211 has 18 divisors (see below), whose sum is σ = 114735710492. Its totient is φ = 46917731520.

The previous prime is 74775137201. The next prime is 74775137219. The reversal of 74775137211 is 11273157747.

It is not a de Polignac number, because 74775137211 - 25 = 74775137179 is a prime.

It is a super-2 number, since 2×747751372112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74775137219) 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 17 ways as a sum of consecutive naturals, for example, 14371705 + ... + 14376906.

Almost surely, 274775137211 is an apocalyptic number.

74775137211 is a deficient number, since it is larger than the sum of its proper divisors (39960573281).

74775137211 is a wasteful number, since it uses less digits than its factorization.

74775137211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28748651 (or 28748631 counting only the distinct ones).

The product of its digits is 288120, while the sum is 45.

The spelling of 74775137211 in words is "seventy-four billion, seven hundred seventy-five million, one hundred thirty-seven thousand, two hundred eleven".

Divisors: 1 3 9 17 51 153 289 867 2601 28748611 86245833 258737499 488726387 1466179161 4398537483 8308348579 24925045737 74775137211