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2231231033212 = 221847302007449
BaseRepresentation
bin100000011101111111101…
…110111010111101111100
321220022012022211101221021
4200131333232322331330
5243024030121030322
64425002520313524
7320125661600026
oct40357756727574
97808168741837
102231231033212
11790294828535
123005169128a4
13132533cb714c
1479dc66a7016
153d08d1964c7
hex2077fbbaf7c

2231231033212 has 12 divisors (see below), whose sum is σ = 3906768373200. Its totient is φ = 1115011498016.

The previous prime is 2231231033191. The next prime is 2231231033261. The reversal of 2231231033212 is 2123301321322.

It is a super-3 number, since 3×22312310332123 (a number of 38 digits) contains 333 as substring.

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, 150996337 + ... + 151011112.

It is an arithmetic number, because the mean of its divisors is an integer number (325564031100).

Almost surely, 22231231033212 is an apocalyptic number.

It is an amenable number.

2231231033212 is a deficient number, since it is larger than the sum of its proper divisors (1675537339988).

2231231033212 is a wasteful number, since it uses less digits than its factorization.

2231231033212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302009300 (or 302009298 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 2231231033212 its reverse (2123301321322), we get a palindrome (4354532354534).

The spelling of 2231231033212 in words is "two trillion, two hundred thirty-one billion, two hundred thirty-one million, thirty-three thousand, two hundred twelve".

Divisors: 1 2 4 1847 3694 7388 302007449 604014898 1208029796 557807758303 1115615516606 2231231033212