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2200024121 = 3895655589
BaseRepresentation
bin1000001100100001…
…1011010000111001
312200022201210201212
42003020123100321
514001201232441
61002150052505
7105342616331
oct20310332071
95608653655
102200024121
11a29946759
1251494a135
13290a3c629
1416c2860c1
15cd223eeb
hex8321b439

2200024121 has 4 divisors (see below), whose sum is σ = 2205680100. Its totient is φ = 2194368144.

The previous prime is 2200024067. The next prime is 2200024133. The reversal of 2200024121 is 1214200022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1439367721 + 760656400 = 37939^2 + 27580^2 .

It is a cyclic number.

It is not a de Polignac number, because 2200024121 - 214 = 2200007737 is a prime.

It is a super-2 number, since 2×22000241212 = 9680212265963645282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2200024096 and 2200024105.

It is not an unprimeable number, because it can be changed into a prime (2200023121) 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 3 ways as a sum of consecutive naturals, for example, 2827406 + ... + 2828183.

It is an arithmetic number, because the mean of its divisors is an integer number (551420025).

Almost surely, 22200024121 is an apocalyptic number.

It is an amenable number.

2200024121 is a deficient number, since it is larger than the sum of its proper divisors (5655979).

2200024121 is an equidigital number, since it uses as much as digits as its factorization.

2200024121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5655978.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2200024121 is about 46904.4147282535. The cubic root of 2200024121 is about 1300.5962001016.

Adding to 2200024121 its reverse (1214200022), we get a palindrome (3414224143).

The spelling of 2200024121 in words is "two billion, two hundred million, twenty-four thousand, one hundred twenty-one".

Divisors: 1 389 5655589 2200024121