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212041041 = 3431643729
BaseRepresentation
bin11001010001101…
…11110101010001
3112202222210121220
430220313311101
5413240303131
633012435253
75153214312
oct1450676521
9482883556
10212041041
11a9767633
125b018b29
1334c11b94
1420238609
1513936e96
hexca37d51

212041041 has 8 divisors (see below), whose sum is σ = 289296480. Its totient is φ = 138073152.

The previous prime is 212041031. The next prime is 212041057. The reversal of 212041041 is 140140212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212041041 - 29 = 212040529 is a prime.

It is a super-2 number, since 2×2120410412 = 89922806136727362, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212041041.

It is not an unprimeable number, because it can be changed into a prime (212041021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821736 + ... + 821993.

It is an arithmetic number, because the mean of its divisors is an integer number (36162060).

Almost surely, 2212041041 is an apocalyptic number.

It is an amenable number.

212041041 is a deficient number, since it is larger than the sum of its proper divisors (77255439).

212041041 is a wasteful number, since it uses less digits than its factorization.

212041041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643775.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 212041041 is about 14561.6290640848. The cubic root of 212041041 is about 596.3116707260.

Adding to 212041041 its reverse (140140212), we get a palindrome (352181253).

The spelling of 212041041 in words is "two hundred twelve million, forty-one thousand, forty-one".

Divisors: 1 3 43 129 1643729 4931187 70680347 212041041