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29903059081 = 733763120089
BaseRepresentation
bin11011110110010111…
…000111100010001001
32212011222212210102201
4123312113013202021
5442220140342311
621423130200201
72106011544160
oct336627074211
985158783381
1029903059081
1111755551975
125966583061
132a87282acc
1416396123d7
15ba037a9c1
hex6f65c7889

29903059081 has 16 divisors (see below), whose sum is σ = 34332363520. Its totient is φ = 25513367040.

The previous prime is 29903059057. The next prime is 29903059091. The reversal of 29903059081 is 18095030992.

It is not a de Polignac number, because 29903059081 - 217 = 29902928009 is a prime.

It is a super-2 number, since 2×299030590812 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29903059001) 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 15 ways as a sum of consecutive naturals, for example, 1478485 + ... + 1498573.

It is an arithmetic number, because the mean of its divisors is an integer number (2145772720).

Almost surely, 229903059081 is an apocalyptic number.

It is an amenable number.

29903059081 is a deficient number, since it is larger than the sum of its proper divisors (4429304439).

29903059081 is a wasteful number, since it uses less digits than its factorization.

29903059081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 29903059081 in words is "twenty-nine billion, nine hundred three million, fifty-nine thousand, eighty-one".

Divisors: 1 7 337 631 2359 4417 20089 140623 212647 1488529 6769993 12676159 47389951 88733113 4271865583 29903059081