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29477091830 = 253195087393
BaseRepresentation
bin11011011100111110…
…001011100111110110
32211002022100102012212
4123130332023213312
5440332113414310
621312552213422
72062320101144
oct333476134766
984068312185
1029477091830
111155706041a
12586799a272
132a19c4bc94
1415d8c0c594
15b77c88205
hex6dcf8b9f6

29477091830 has 16 divisors (see below), whose sum is σ = 54770338944. Its totient is φ = 11410487040.

The previous prime is 29477091829. The next prime is 29477091857. The reversal of 29477091830 is 3819077492.

It is a congruent number.

It is an unprimeable number.

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, 47543387 + ... + 47544006.

It is an arithmetic number, because the mean of its divisors is an integer number (3423146184).

Almost surely, 229477091830 is an apocalyptic number.

29477091830 is a deficient number, since it is larger than the sum of its proper divisors (25293247114).

29477091830 is a wasteful number, since it uses less digits than its factorization.

29477091830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95087431.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 29477091830 in words is "twenty-nine billion, four hundred seventy-seven million, ninety-one thousand, eight hundred thirty".

Divisors: 1 2 5 10 31 62 155 310 95087393 190174786 475436965 950873930 2947709183 5895418366 14738545915 29477091830