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29088297381 = 311131512511789
BaseRepresentation
bin11011000101110011…
…000011000110100101
32210002012202121111110
4123011303003012211
5434033101004011
621210223055233
72046556306503
oct330563030645
983065677443
1029088297381
11113776493a0
125779741519
132987531bb0
14159d323673
15b53a89ba6
hex6c5cc31a5

29088297381 has 64 divisors (see below), whose sum is σ = 46075115520. Its totient is φ = 16092000000.

The previous prime is 29088297367. The next prime is 29088297383. The reversal of 29088297381 is 18379288092.

It is not a de Polignac number, because 29088297381 - 29 = 29088296869 is a prime.

It is a super-2 number, since 2×290882973812 (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 (29088297383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16258635 + ... + 16260423.

It is an arithmetic number, because the mean of its divisors is an integer number (719923680).

Almost surely, 229088297381 is an apocalyptic number.

It is an amenable number.

29088297381 is a deficient number, since it is larger than the sum of its proper divisors (16986818139).

29088297381 is a wasteful number, since it uses less digits than its factorization.

29088297381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2218.

The product of its (nonzero) digits is 3483648, while the sum is 57.

The spelling of 29088297381 in words is "twenty-nine billion, eighty-eight million, two hundred ninety-seven thousand, three hundred eighty-one".

Divisors: 1 3 11 13 33 39 143 151 251 429 453 753 1661 1789 1963 2761 3263 4983 5367 5889 8283 9789 19679 21593 23257 35893 37901 59037 64779 69771 107679 113703 255827 270139 416911 449039 492713 767481 810417 1250733 1347117 1478139 2971529 3511807 4939429 5419843 5837507 8914587 10535421 14818287 16259529 17512521 38629877 64212577 67804889 115889631 192637731 203414667 745853779 881463557 2237561337 2644390671 9696099127 29088297381