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29275327744 = 28134125233
BaseRepresentation
bin11011010000111100…
…100000110100000000
32210120020200201220221
4123100330200310000
5434423440441434
621240543512424
72054320115515
oct332074406400
983506621827
1029275327744
1111463183043
1258102b8714
1329b71c7a50
1415ba0cb30c
15b651d12b4
hex6d0f20d00

29275327744 has 108 divisors (see below), whose sum is σ = 64516074028. Its totient is φ = 13179617280.

The previous prime is 29275327733. The next prime is 29275327747. The reversal of 29275327744 is 44772357292.

It can be written as a sum of positive squares in 6 ways, for example, as 5854086144 + 23421241600 = 76512^2 + 153040^2 .

It is a super-2 number, since 2×292753277442 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 29275327691 and 29275327700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29275327747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5591752 + ... + 5596984.

Almost surely, 229275327744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29275327744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32258037014).

29275327744 is an abundant number, since it is smaller than the sum of its proper divisors (35240746284).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29275327744 is an equidigital number, since it uses as much as digits as its factorization.

29275327744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5344 (or 5289 counting only the distinct ones).

The product of its digits is 5927040, while the sum is 52.

The spelling of 29275327744 in words is "twenty-nine billion, two hundred seventy-five million, three hundred twenty-seven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 13 16 26 32 41 52 64 82 104 128 164 208 256 328 416 533 656 832 1066 1312 1664 1681 2132 2624 3328 3362 4264 5233 5248 6724 8528 10466 10496 13448 17056 20932 21853 26896 34112 41864 43706 53792 68029 68224 83728 87412 107584 136058 136448 167456 174824 214553 215168 272116 334912 349648 429106 430336 544232 669824 699296 858212 1088464 1339648 1398592 1716424 2176928 2789189 2797184 3432848 4353856 5578378 5594368 6865696 8707712 8796673 11156756 13731392 17415424 17593346 22313512 27462784 35186692 44627024 54925568 70373384 89254048 114356749 140746768 178508096 228713498 281493536 357016192 457426996 562987072 714032384 914853992 1125974144 1829707984 2251948288 3659415968 7318831936 14637663872 29275327744