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211131224300 = 225219111121697
BaseRepresentation
bin1100010010100001100…
…1101101000011101100
3202011222002122110122002
43010220121231003230
511424344043134200
6240554202511432
721153012536663
oct3045031550354
9664862573562
10211131224300
11815a4087827
1234b03505578
1316ba94a0629
14a30c58ddda
15575a7d4bd5
hex312866d0ec

211131224300 has 36 divisors (see below), whose sum is σ = 482268169320. Its totient is φ = 80007621120.

The previous prime is 211131224279. The next prime is 211131224321. The reversal of 211131224300 is 3422131112.

It is an interprime number because it is at equal distance from previous prime (211131224279) and next prime (211131224321).

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 55558949 + ... + 55562748.

Almost surely, 2211131224300 is an apocalyptic number.

211131224300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211131224300 is an abundant number, since it is smaller than the sum of its proper divisors (271136945020).

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

211131224300 is a wasteful number, since it uses less digits than its factorization.

211131224300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111121730 (or 111121723 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211131224300 its reverse (3422131112), we get a palindrome (214553355412).

The spelling of 211131224300 in words is "two hundred eleven billion, one hundred thirty-one million, two hundred twenty-four thousand, three hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 111121697 222243394 444486788 555608485 1111216970 2111312243 2222433940 2778042425 4222624486 5556084850 8445248972 10556561215 11112169700 21113122430 42226244860 52782806075 105565612150 211131224300