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29642999120 = 245752933927
BaseRepresentation
bin11011100110110111…
…000100010101010000
32211111212112101020022
4123212313010111100
5441202101432440
621341240203012
72066403222650
oct334667042520
984455471208
1029642999120
1111631777a89
1258b3469468
132a4542a487
141612c78360
15b8760acb5
hex6e6dc4550

29642999120 has 40 divisors (see below), whose sum is σ = 78765684864. Its totient is φ = 10163313792.

The previous prime is 29642999083. The next prime is 29642999129. The reversal of 29642999120 is 2199924692.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29642999129) 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 7 ways as a sum of consecutive naturals, for example, 26466404 + ... + 26467523.

Almost surely, 229642999120 is an apocalyptic number.

29642999120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29642999120 is an abundant number, since it is smaller than the sum of its proper divisors (49122685744).

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

29642999120 is a wasteful number, since it uses less digits than its factorization.

29642999120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52933947 (or 52933941 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 53.

The spelling of 29642999120 in words is "twenty-nine billion, six hundred forty-two million, nine hundred ninety-nine thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 52933927 105867854 211735708 264669635 370537489 423471416 529339270 741074978 846942832 1058678540 1482149956 1852687445 2117357080 2964299912 3705374890 4234714160 5928599824 7410749780 14821499560 29642999120