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30211110201212 = 2244943319388313
BaseRepresentation
bin1101101111010000100100…
…11111011110011101111100
310221222011011012210010212022
412313220102133132131330
512424434323202414322
6144130443055255312
76235452321446333
oct667502237363574
9127864135703768
1030211110201212
119698507119926
12347b14781a538
1313b1b8445b885
14766322c26d1a
15375cd8809942
hex1b7a127de77c

30211110201212 has 24 divisors (see below), whose sum is σ = 52988551812000. Its totient is φ = 15071525697536.

The previous prime is 30211110201187. The next prime is 30211110201221. The reversal of 30211110201212 is 21210201111203.

It is a happy number.

It is a super-2 number, since 2×302111102012122 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77606768 + ... + 77995080.

It is an arithmetic number, because the mean of its divisors is an integer number (2207856325500).

Almost surely, 230211110201212 is an apocalyptic number.

It is an amenable number.

30211110201212 is a deficient number, since it is larger than the sum of its proper divisors (22777441610788).

30211110201212 is a wasteful number, since it uses less digits than its factorization.

30211110201212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432085 (or 432083 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 30211110201212 its reverse (21210201111203), we get a palindrome (51421311312415).

Subtracting from 30211110201212 its reverse (21210201111203), we obtain a palindrome (9000909090009).

The spelling of 30211110201212 in words is "thirty trillion, two hundred eleven billion, one hundred ten million, two hundred one thousand, two hundred twelve".

Divisors: 1 2 4 449 898 1796 43319 86638 173276 388313 776626 1553252 19450231 38900462 77800924 174352537 348705074 697410148 16821330847 33642661694 67285323388 7552777550303 15105555100606 30211110201212