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29110122431 = 1317235726957
BaseRepresentation
bin11011000111000110…
…010011011110111111
32210010201211102211122
4123013012103132333
5434104142404211
621212322541155
72050242646415
oct330706233677
983121742748
1029110122431
11113889a5925
125784b077bb
13298bc03c20
1415a21a52b5
15b5594b6db
hex6c71937bf

29110122431 has 16 divisors (see below), whose sum is σ = 34636641984. Its totient is φ = 24190662144.

The previous prime is 29110122427. The next prime is 29110122449. The reversal of 29110122431 is 13422101192.

It is a cyclic number.

It is not a de Polignac number, because 29110122431 - 22 = 29110122427 is a prime.

It is a super-2 number, since 2×291101224312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 29110122431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29110122421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2858396 + ... + 2868561.

It is an arithmetic number, because the mean of its divisors is an integer number (2164790124).

Almost surely, 229110122431 is an apocalyptic number.

29110122431 is a deficient number, since it is larger than the sum of its proper divisors (5526519553).

29110122431 is a wasteful number, since it uses less digits than its factorization.

29110122431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5727010.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 29110122431 in words is "twenty-nine billion, one hundred ten million, one hundred twenty-two thousand, four hundred thirty-one".

Divisors: 1 13 17 23 221 299 391 5083 5726957 74450441 97358269 131720011 1265657497 1712360143 2239240187 29110122431