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29400189800 = 2352413585389
BaseRepresentation
bin11011011000011000…
…110100101101101000
32210212221122101110112
4123120120310231220
5440202422033200
621301204033452
72060364330032
oct333030645550
983787571415
1029400189800
1111517705823
125846092888
132a07034a17
1415cc910c52
15b71147535
hex6d8634b68

29400189800 has 48 divisors (see below), whose sum is σ = 70022666700. Its totient is φ = 11473241600.

The previous prime is 29400189787. The next prime is 29400189853. The reversal of 29400189800 is 898100492.

It can be written as a sum of positive squares in 6 ways, for example, as 8300303236 + 21099886564 = 91106^2 + 145258^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

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 11 ways as a sum of consecutive naturals, for example, 1784495 + ... + 1800894.

Almost surely, 229400189800 is an apocalyptic number.

29400189800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29400189800 is an abundant number, since it is smaller than the sum of its proper divisors (40622476900).

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

29400189800 is a wasteful number, since it uses less digits than its factorization.

29400189800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3585446 (or 3585437 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 41.

The spelling of 29400189800 in words is "twenty-nine billion, four hundred million, one hundred eighty-nine thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 41 50 82 100 164 200 205 328 410 820 1025 1640 2050 4100 8200 3585389 7170778 14341556 17926945 28683112 35853890 71707780 89634725 143415560 147000949 179269450 294001898 358538900 588003796 717077800 735004745 1176007592 1470009490 2940018980 3675023725 5880037960 7350047450 14700094900 29400189800