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212603036500 = 22531922379267
BaseRepresentation
bin1100011000000000100…
…0001110001101010100
3202022202200010021102001
43012000020032031110
511440402334132000
6241400220525044
721234333664441
oct3060010161524
9668680107361
10212603036500
1182189965048
12352543b0784
13170823a371a
14a40bc369c8
1557e4b1246a
hex318020e354

212603036500 has 48 divisors (see below), whose sum is σ = 488763213120. Its totient is φ = 80565357600.

The previous prime is 212603036489. The next prime is 212603036501. The reversal of 212603036500 is 5630306212.

It is a super-2 number, since 2×2126030365002 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212603036501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11180134 + ... + 11199133.

It is an arithmetic number, because the mean of its divisors is an integer number (10182566940).

Almost surely, 2212603036500 is an apocalyptic number.

212603036500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212603036500 is an abundant number, since it is smaller than the sum of its proper divisors (276160176620).

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

212603036500 is a wasteful number, since it uses less digits than its factorization.

212603036500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22379305 (or 22379293 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The spelling of 212603036500 in words is "two hundred twelve billion, six hundred three million, thirty-six thousand, five hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 125 190 250 380 475 500 950 1900 2375 4750 9500 22379267 44758534 89517068 111896335 223792670 425206073 447585340 559481675 850412146 1118963350 1700824292 2126030365 2237926700 2797408375 4252060730 5594816750 8504121460 10630151825 11189633500 21260303650 42520607300 53150759125 106301518250 212603036500