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2215342112312 = 23789444490793
BaseRepresentation
bin100000001111001100101…
…011011111111000111000
321211210012000000121000102
4200033030223133320320
5242244010040043222
64413414125454532
7316024146154340
oct40171453377070
97753160017012
102215342112312
1178458096104a
122b9421711448
13130ba12534c4
147931a3abd20
153c95d2e2d92
hex203ccadfe38

2215342112312 has 32 divisors (see below), whose sum is σ = 4800500575200. Its totient is φ = 938764552704.

The previous prime is 2215342112311. The next prime is 2215342112329. The reversal of 2215342112312 is 2132112435122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2215342112311) 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, 222240413 + ... + 222250380.

It is an arithmetic number, because the mean of its divisors is an integer number (150015642975).

Almost surely, 22215342112312 is an apocalyptic number.

It is an amenable number.

2215342112312 is an abundant number, since it is smaller than the sum of its proper divisors (2585158462888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215342112312 is a wasteful number, since it uses less digits than its factorization.

2215342112312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444490895 (or 444490891 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

Adding to 2215342112312 its reverse (2132112435122), we get a palindrome (4347454547434).

The spelling of 2215342112312 in words is "two trillion, two hundred fifteen billion, three hundred forty-two million, one hundred twelve thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 89 178 356 623 712 1246 2492 4984 444490793 888981586 1777963172 3111435551 3555926344 6222871102 12445742204 24891484408 39559680577 79119361154 158238722308 276917764039 316477444616 553835528078 1107671056156 2215342112312