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29243879168 = 28789183361
BaseRepresentation
bin11011001111000100…
…100010111100000000
32210111001111222120212
4123033010202330000
5434342413113133
621233501453252
72053455604640
oct331704427400
983431458525
1029243879168
1111447453289
125801871228
1329b083661a
1415b5c62520
15b6256d148
hex6cf122f00

29243879168 has 72 divisors (see below), whose sum is σ = 67462547040. Its totient is φ = 12392202240.

The previous prime is 29243879131. The next prime is 29243879219. The reversal of 29243879168 is 86197834292.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67808 + ... + 251168.

It is an arithmetic number, because the mean of its divisors is an integer number (936979820).

Almost surely, 229243879168 is an apocalyptic number.

29243879168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29243879168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33731273520).

29243879168 is an abundant number, since it is smaller than the sum of its proper divisors (38218667872).

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

29243879168 is an equidigital number, since it uses as much as digits as its factorization.

29243879168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183473 (or 183459 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 59.

The spelling of 29243879168 in words is "twenty-nine billion, two hundred forty-three million, eight hundred seventy-nine thousand, one hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 89 112 128 178 224 256 356 448 623 712 896 1246 1424 1792 2492 2848 4984 5696 9968 11392 19936 22784 39872 79744 159488 183361 366722 733444 1283527 1466888 2567054 2933776 5134108 5867552 10268216 11735104 16319129 20536432 23470208 32638258 41072864 46940416 65276516 82145728 114233903 130553032 164291456 228467806 261106064 328582912 456935612 522212128 913871224 1044424256 1827742448 2088848512 3655484896 4177697024 7310969792 14621939584 29243879168