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29142955072 = 2671110095861
BaseRepresentation
bin11011001001000011…
…100011010001000000
32210020000121111202101
4123021003203101000
5434141044030242
621215454400144
72051122013410
oct331103432100
983200544671
1029142955072
11113a5490540
125793b00054
13299595b31a
1415a66b0640
15b587849b7
hex6c90e3440

29142955072 has 112 divisors (see below), whose sum is σ = 72184199040. Its totient is φ = 11341209600.

The previous prime is 29142955057. The next prime is 29142955097. The reversal of 29142955072 is 27055924192.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×291429550722 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4969422 + ... + 4975282.

Almost surely, 229142955072 is an apocalyptic number.

29142955072 is a gapful number since it is divisible by the number (22) 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 29142955072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36092099520).

29142955072 is an abundant number, since it is smaller than the sum of its proper divisors (43041243968).

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

29142955072 is a wasteful number, since it uses less digits than its factorization.

29142955072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900 (or 6890 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 29142955072 in words is "twenty-nine billion, one hundred forty-two million, nine hundred fifty-five thousand, seventy-two".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 64 77 88 112 154 176 224 308 352 448 616 704 1009 1232 2018 2464 4036 4928 5861 7063 8072 11099 11722 14126 16144 22198 23444 28252 32288 41027 44396 46888 56504 64471 64576 77693 82054 88792 93776 113008 128942 155386 164108 177584 187552 226016 257884 310772 328216 355168 375104 451297 452032 515768 621544 656432 710336 902594 1031536 1243088 1312864 1805188 2063072 2486176 2625728 3610376 4126144 4972352 5913749 7220752 11827498 14441504 23654996 28883008 41396243 47309992 65051239 82792486 94619984 130102478 165584972 189239968 260204956 331169944 378479936 455358673 520409912 662339888 910717346 1040819824 1324679776 1821434692 2081639648 2649359552 3642869384 4163279296 7285738768 14571477536 29142955072