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30543203100 = 22352293510713
BaseRepresentation
bin11100011100100001…
…000100101100011100
32220211121102110221110
4130130201010230130
51000023024444400
622010434502020
72130613641234
oct343441045434
986747373843
1030543203100
1111a53929613
125b04a34910
132b59a95957
14169a648cc4
15bdb677e50
hex71c844b1c

30543203100 has 72 divisors (see below), whose sum is σ = 91418992560. Its totient is φ = 7863994880.

The previous prime is 30543203069. The next prime is 30543203123. The reversal of 30543203100 is 130234503.

It is a super-2 number, since 2×305432031002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1746657 + ... + 1764056.

It is an arithmetic number, because the mean of its divisors is an integer number (1269708230).

Almost surely, 230543203100 is an apocalyptic number.

30543203100 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30543203100 is an abundant number, since it is smaller than the sum of its proper divisors (60875789460).

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

30543203100 is a wasteful number, since it uses less digits than its factorization.

30543203100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3510759 (or 3510752 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

Adding to 30543203100 its reverse (130234503), we get a palindrome (30673437603).

The spelling of 30543203100 in words is "thirty billion, five hundred forty-three million, two hundred three thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 29 30 50 58 60 75 87 100 116 145 150 174 290 300 348 435 580 725 870 1450 1740 2175 2900 4350 8700 3510713 7021426 10532139 14042852 17553565 21064278 35107130 42128556 52660695 70214260 87767825 101810677 105321390 175535650 203621354 210642780 263303475 305432031 351071300 407242708 509053385 526606950 610864062 1018106770 1053213900 1221728124 1527160155 2036213540 2545266925 3054320310 5090533850 6108640620 7635800775 10181067700 15271601550 30543203100