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4212121301 = 18289230309
BaseRepresentation
bin1111101100001111…
…1101111011010101
3101212112211221011122
43323003331323111
532111300340201
61533544213325
7206244304013
oct37303757325
911775757148
104212121301
1118716a6093
1299676a245
13521860c8b
142bd5ad8b3
15199bc5e1b
hexfb0fded5

4212121301 has 4 divisors (see below), whose sum is σ = 4212369900. Its totient is φ = 4211872704.

The previous prime is 4212121283. The next prime is 4212121313. The reversal of 4212121301 is 1031212124.

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 3928030276 + 284091025 = 62674^2 + 16855^2 .

It is a cyclic number.

It is not a de Polignac number, because 4212121301 - 214 = 4212104917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4212121301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212121321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96866 + ... + 133443.

It is an arithmetic number, because the mean of its divisors is an integer number (1053092475).

Almost surely, 24212121301 is an apocalyptic number.

It is an amenable number.

4212121301 is a deficient number, since it is larger than the sum of its proper divisors (248599).

4212121301 is a wasteful number, since it uses less digits than its factorization.

4212121301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248598.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 4212121301 is about 64900.8574750750. The cubic root of 4212121301 is about 1614.9792865418.

Adding to 4212121301 its reverse (1031212124), we get a palindrome (5243333425).

The spelling of 4212121301 in words is "four billion, two hundred twelve million, one hundred twenty-one thousand, three hundred one".

Divisors: 1 18289 230309 4212121301