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30313023201212 = 22171923462092261
BaseRepresentation
bin1101110010001110011001…
…11110101101111110111100
310222022220012201001221202212
412321013030332231332330
512433122032414414322
6144245335520435552
76246020654610323
oct671071476557674
9128286181057685
1030313023201212
11972775437a164
123496a4a178bb8
1313bb6763a407b
1476b22dd770ba
153787a096e0e2
hex1b91ccfadfbc

30313023201212 has 24 divisors (see below), whose sum is σ = 59124472500240. Its totient is φ = 13514165141760.

The previous prime is 30313023201211. The next prime is 30313023201271. The reversal of 30313023201212 is 21210232031303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313023201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11731044839 + ... + 11731047422.

It is an arithmetic number, because the mean of its divisors is an integer number (2463519687510).

Almost surely, 230313023201212 is an apocalyptic number.

It is an amenable number.

30313023201212 is a deficient number, since it is larger than the sum of its proper divisors (28811449299028).

30313023201212 is a wasteful number, since it uses less digits than its factorization.

30313023201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23462092301 (or 23462092299 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30313023201212 its reverse (21210232031303), we get a palindrome (51523255232515).

The spelling of 30313023201212 in words is "thirty trillion, three hundred thirteen billion, twenty-three million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 17 19 34 38 68 76 323 646 1292 23462092261 46924184522 93848369044 398855568437 445779752959 797711136874 891559505918 1595422273748 1783119011836 7578255800303 15156511600606 30313023201212