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29112809300 = 2252291128093
BaseRepresentation
bin11011000111010000…
…100011011101010100
32210010220212221112022
4123013100203131110
5434110334344200
621212500312312
72050304540021
oct330720433524
983126787468
1029112809300
111138a470583
1257859a2698
13298c634ba3
1415a26a4548
15b55ccc885
hex6c7423754

29112809300 has 18 divisors (see below), whose sum is σ = 63174796398. Its totient is φ = 11645123680.

The previous prime is 29112809293. The next prime is 29112809321. The reversal of 29112809300 is 390821192.

It can be written as a sum of positive squares in 3 ways, for example, as 7193414596 + 21919394704 = 84814^2 + 148052^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 145563947 + ... + 145564146.

It is an arithmetic number, because the mean of its divisors is an integer number (3509710911).

Almost surely, 229112809300 is an apocalyptic number.

29112809300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29112809300 is an abundant number, since it is smaller than the sum of its proper divisors (34061987098).

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

29112809300 is a wasteful number, since it uses less digits than its factorization.

29112809300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291128107 (or 291128100 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 29112809300 in words is "twenty-nine billion, one hundred twelve million, eight hundred nine thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 291128093 582256186 1164512372 1455640465 2911280930 5822561860 7278202325 14556404650 29112809300