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29745549589 = 7149173353467
BaseRepresentation
bin11011101100111110…
…010001000100010101
32211210000111111000211
4123230332101010111
5441404330041324
621355342205421
72102056666630
oct335476210425
984700444024
1029745549589
1111684650738
125921883871
132a60754b22
141622730c17
15b91616294
hex6ecf91115

29745549589 has 32 divisors (see below), whose sum is σ = 34592313600. Its totient is φ = 25053591552.

The previous prime is 29745549577. The next prime is 29745549623. The reversal of 29745549589 is 98594554792.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-29745549589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29745543589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63694734 + ... + 63695200.

It is an arithmetic number, because the mean of its divisors is an integer number (1081009800).

Almost surely, 229745549589 is an apocalyptic number.

It is an amenable number.

29745549589 is a deficient number, since it is larger than the sum of its proper divisors (4846764011).

29745549589 is a wasteful number, since it uses less digits than its factorization.

29745549589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its digits is 163296000, while the sum is 67.

The spelling of 29745549589 in words is "twenty-nine billion, seven hundred forty-five million, five hundred forty-nine thousand, five hundred eighty-nine".

Divisors: 1 7 149 173 353 467 1043 1211 2471 3269 25777 52597 61069 69583 80791 164851 180439 368179 427483 487081 565537 1153957 9099281 12037859 24562799 28519223 63694967 84265013 171939593 199634561 4249364227 29745549589