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29690696923 = 97306089659
BaseRepresentation
bin11011101001101101…
…000001010011011011
32211122012021200022121
4123221231001103123
5441301304300143
621350102402111
72100522521416
oct335155012333
984565250277
1029690696923
1111656696058
125907430337
132a5228aa24
141619332b7d
15b8b8cd7ed
hex6e9b414db

29690696923 has 4 divisors (see below), whose sum is σ = 29996786680. Its totient is φ = 29384607168.

The previous prime is 29690696897. The next prime is 29690696929. The reversal of 29690696923 is 32969609692.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 29690696923 - 25 = 29690696891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (29690696929) 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 3 ways as a sum of consecutive naturals, for example, 153044733 + ... + 153044926.

It is an arithmetic number, because the mean of its divisors is an integer number (7499196670).

Almost surely, 229690696923 is an apocalyptic number.

29690696923 is a deficient number, since it is larger than the sum of its proper divisors (306089757).

29690696923 is an equidigital number, since it uses as much as digits as its factorization.

29690696923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306089756.

The product of its (nonzero) digits is 17006112, while the sum is 61.

The spelling of 29690696923 in words is "twenty-nine billion, six hundred ninety million, six hundred ninety-six thousand, nine hundred twenty-three".

Divisors: 1 97 306089659 29690696923