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29107282370931 = 32171986767115399
BaseRepresentation
bin1101001111001000100010…
…01110011110000101110011
310211001121222112222110010200
412213210101032132011303
512303343203241332211
6141523411222130243
76062634406631622
oct647442116360563
9124047875873120
1029107282370931
119302369089336
123321229b80983
131331a6062398b
14728b2b2256b9
15357231c91b56
hex1a791139e173

29107282370931 has 48 divisors (see below), whose sum is σ = 46860967296000. Its totient is φ = 17301812315904.

The previous prime is 29107282370911. The next prime is 29107282370939. The reversal of 29107282370931 is 13907328270192.

It is a happy number.

29107282370931 is a `hidden beast` number, since 2 + 9 + 107 + 2 + 82 + 370 + 93 + 1 = 666.

It is not a de Polignac number, because 29107282370931 - 215 = 29107282338163 is a prime.

It is a super-2 number, since 2×291072823709312 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (29107282370939) 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 47 ways as a sum of consecutive naturals, for example, 252173970 + ... + 252289368.

It is an arithmetic number, because the mean of its divisors is an integer number (976270152000).

Almost surely, 229107282370931 is an apocalyptic number.

29107282370931 is a deficient number, since it is larger than the sum of its proper divisors (17753684925069).

29107282370931 is a wasteful number, since it uses less digits than its factorization.

29107282370931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202208 (or 202205 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 29107282370931 in words is "twenty-nine trillion, one hundred seven billion, two hundred eighty-two million, three hundred seventy thousand, nine hundred thirty-one".

Divisors: 1 3 9 17 19 51 57 153 171 323 969 2907 86767 115399 260301 346197 780903 1038591 1475039 1648573 1961783 2192581 4425117 4945719 5885349 6577743 13275351 14837157 17656047 19733229 28025741 37273877 84077223 111821631 252231669 335464893 10012825033 30038475099 90115425297 170218025561 190243675627 510654076683 570731026881 1531962230049 1712193080643 3234142485659 9702427456977 29107282370931