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2130311113212 = 223197901146833
BaseRepresentation
bin11111000000000000011…
…011111110100111111100
321112122201001012021200110
4133000000123332213330
5234400334121110322
64310352412230020
7306624044456022
oct37000033764774
97478631167613
102130311113212
117515070a4977
122a4a50a6b310
13125b6ca28159
14751713c2712
153a6332e7c0c
hex1f0006fe9fc

2130311113212 has 24 divisors (see below), whose sum is σ = 4995958047696. Its totient is φ = 706499116288.

The previous prime is 2130311113193. The next prime is 2130311113213. The reversal of 2130311113212 is 2123111130312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130311113213) 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, 450571053 + ... + 450575780.

It is an arithmetic number, because the mean of its divisors is an integer number (208164918654).

Almost surely, 22130311113212 is an apocalyptic number.

It is an amenable number.

2130311113212 is an abundant number, since it is smaller than the sum of its proper divisors (2865646934484).

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

2130311113212 is a wasteful number, since it uses less digits than its factorization.

2130311113212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901147037 (or 901147035 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2130311113212 its reverse (2123111130312), we get a palindrome (4253422243524).

The spelling of 2130311113212 in words is "two trillion, one hundred thirty billion, three hundred eleven million, one hundred thirteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 197 394 591 788 1182 2364 901146833 1802293666 2703440499 3604587332 5406880998 10813761996 177525926101 355051852202 532577778303 710103704404 1065155556606 2130311113212