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29997928298600 = 2352149989641493
BaseRepresentation
bin1101101001000011011111…
…10111000011100001101000
310221012202220012102102102122
412310201233313003201220
512412441224121023400
6143444505155250412
76214164425253353
oct664415767034150
9127182805372378
1029997928298600
119616060531139
1234459715a9a08
131397a3c17bb32
14759c9c18929a
153704acea1685
hex1b486fdc3868

29997928298600 has 24 divisors (see below), whose sum is σ = 69745183294710. Its totient is φ = 11999171319360.

The previous prime is 29997928298581. The next prime is 29997928298609. The reversal of 29997928298600 is 689282979992.

It can be written as a sum of positive squares in 3 ways, for example, as 19435207297444 + 10562721001156 = 4408538^2 + 3250034^2 .

It is not an unprimeable number, because it can be changed into a prime (29997928298609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74994820547 + ... + 74994820946.

Almost surely, 229997928298600 is an apocalyptic number.

29997928298600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29997928298600 is an abundant number, since it is smaller than the sum of its proper divisors (39747254996110).

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

29997928298600 is a wasteful number, since it uses less digits than its factorization.

29997928298600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149989641509 (or 149989641500 counting only the distinct ones).

The product of its (nonzero) digits is 1269789696, while the sum is 80.

The spelling of 29997928298600 in words is "twenty-nine trillion, nine hundred ninety-seven billion, nine hundred twenty-eight million, two hundred ninety-eight thousand, six hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 149989641493 299979282986 599958565972 749948207465 1199917131944 1499896414930 2999792829860 3749741037325 5999585659720 7499482074650 14998964149300 29997928298600