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29005961328 = 243573102197
BaseRepresentation
bin11011000000111000…
…111101100001110000
32202212110211111200000
4123000320331201300
5433401011230303
621154122230000
72044536413631
oct330070754160
982773744600
1029005961328
1111335122073
125756055300
132973464436
14159240d888
15b4b723da3
hex6c0e3d870

29005961328 has 120 divisors (see below), whose sum is σ = 85336965168. Its totient is φ = 9536113152.

The previous prime is 29005961291. The next prime is 29005961351. The reversal of 29005961328 is 82316950092.

29005961328 is a `hidden beast` number, since 2 + 9 + 0 + 0 + 5 + 9 + 613 + 28 = 666.

It is a super-2 number, since 2×290059613282 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232726 + ... + 334922.

Almost surely, 229005961328 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 29005961328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42668482584).

29005961328 is an abundant number, since it is smaller than the sum of its proper divisors (56331003840).

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

29005961328 is a wasteful number, since it uses less digits than its factorization.

29005961328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102293 (or 102275 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 29005961328 in words is "twenty-nine billion, five million, nine hundred sixty-one thousand, three hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 73 81 108 144 146 162 216 219 243 292 324 432 438 486 584 648 657 876 972 1168 1296 1314 1752 1944 1971 2628 3504 3888 3942 5256 5913 7884 10512 11826 15768 17739 23652 31536 35478 47304 70956 94608 102197 141912 204394 283824 306591 408788 613182 817576 919773 1226364 1635152 1839546 2452728 2759319 3679092 4905456 5518638 7358184 7460381 8277957 11037276 14716368 14920762 16555914 22074552 22381143 24833871 29841524 33111828 44149104 44762286 49667742 59683048 66223656 67143429 89524572 99335484 119366096 132447312 134286858 179049144 198670968 201430287 268573716 358098288 397341936 402860574 537147432 604290861 805721148 1074294864 1208581722 1611442296 1812872583 2417163444 3222884592 3625745166 4834326888 7251490332 9668653776 14502980664 29005961328