Search a number
-
+
2031223244212 = 221183942892627
BaseRepresentation
bin11101100011101110010…
…101110000010110110100
321012011221102212222221101
4131203232111300112310
5231234421122303322
64153044151255444
7266515414462411
oct35435625602664
97164842788841
102031223244212
11713489627348
122897b867a584
1311970b19b8c6
1470451559108
1537c841d4327
hex1d8ee5705b4

2031223244212 has 12 divisors (see below), whose sum is σ = 3554941008640. Its totient is φ = 1015525813176.

The previous prime is 2031223244207. The next prime is 2031223244257. The reversal of 2031223244212 is 2124423221302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21398958 + ... + 21493669.

Almost surely, 22031223244212 is an apocalyptic number.

It is an amenable number.

2031223244212 is a deficient number, since it is larger than the sum of its proper divisors (1523717764428).

2031223244212 is a wasteful number, since it uses less digits than its factorization.

2031223244212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42904470 (or 42904468 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 2031223244212 its reverse (2124423221302), we get a palindrome (4155646465514).

The spelling of 2031223244212 in words is "two trillion, thirty-one billion, two hundred twenty-three million, two hundred forty-four thousand, two hundred twelve".

Divisors: 1 2 4 11839 23678 47356 42892627 85785254 171570508 507805811053 1015611622106 2031223244212