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29923076965 = 513943054787
BaseRepresentation
bin11011110111100011…
…011110101101100101
32212020101112210210211
4123313203132231211
5442240301430330
621425123215421
72106343646305
oct336743365545
985211483724
1029923076965
1111765884681
125971217571
132a8b471402
14163c143605
15ba1ed1d2a
hex6f78deb65

29923076965 has 8 divisors (see below), whose sum is σ = 36166021920. Its totient is φ = 23766241872.

The previous prime is 29923076941. The next prime is 29923076969. The reversal of 29923076965 is 56967032992.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 29923076965 - 211 = 29923074917 is a prime.

It is a super-2 number, since 2×299230769652 (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 (29923076969) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21526699 + ... + 21528088.

It is an arithmetic number, because the mean of its divisors is an integer number (4520752740).

Almost surely, 229923076965 is an apocalyptic number.

It is an amenable number.

29923076965 is a deficient number, since it is larger than the sum of its proper divisors (6242944955).

29923076965 is a wasteful number, since it uses less digits than its factorization.

29923076965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43054931.

The product of its (nonzero) digits is 11022480, while the sum is 58.

The spelling of 29923076965 in words is "twenty-nine billion, nine hundred twenty-three million, seventy-six thousand, nine hundred sixty-five".

Divisors: 1 5 139 695 43054787 215273935 5984615393 29923076965