Search a number
-
+
212031222199 = 2111942951721
BaseRepresentation
bin1100010101111000001…
…0111011000110110111
3202021021211011002122121
43011132002323012313
511433214443102244
6241223352540411
721214221436366
oct3053602730667
9667254132577
10212031222199
1181a16108545
12351149b1707
1316cc0a96074
14a395d097dd
1557ae810c84
hex315e0bb1b7

212031222199 has 8 divisors (see below), whose sum is σ = 213051193520. Its totient is φ = 211011393600.

The previous prime is 212031222181. The next prime is 212031222203. The reversal of 212031222199 is 991222130212.

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

It is a cyclic number.

It is not a de Polignac number, because 212031222199 - 25 = 212031222167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212031292199) 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, 4073659 + ... + 4125379.

It is an arithmetic number, because the mean of its divisors is an integer number (26631399190).

Almost surely, 2212031222199 is an apocalyptic number.

212031222199 is a deficient number, since it is larger than the sum of its proper divisors (1019971321).

212031222199 is a wasteful number, since it uses less digits than its factorization.

212031222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71361.

The product of its (nonzero) digits is 7776, while the sum is 34.

The spelling of 212031222199 in words is "two hundred twelve billion, thirty-one million, two hundred twenty-two thousand, one hundred ninety-nine".

Divisors: 1 211 19429 51721 4099519 10913131 1004887309 212031222199