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212112320130330 = 23531228077763581
BaseRepresentation
bin110000001110101000111111…
…011111100110110100011010
31000211000201222021211222012220
4300032220333133212310122
5210300222012423132310
62031043015445444510
762451416012563044
oct6016507737466432
91024021867758186
10212112320130330
1161649369a58544
121b958956a10736
13914814ba4b339
143a544109b4a94
15197c7dcb03670
hexc0ea3f7e6d1a

212112320130330 has 32 divisors (see below), whose sum is σ = 525491167292928. Its totient is φ = 54738663259200.

The previous prime is 212112320130329. The next prime is 212112320130353. The reversal of 212112320130330 is 33031023211212.

It is a self number, because there is not a number n which added to its sum of digits gives 212112320130330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114038880861 + ... + 114038882720.

It is an arithmetic number, because the mean of its divisors is an integer number (16421598977904).

Almost surely, 2212112320130330 is an apocalyptic number.

212112320130330 is an abundant number, since it is smaller than the sum of its proper divisors (313378847162598).

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

212112320130330 is a wasteful number, since it uses less digits than its factorization.

212112320130330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228077763622.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 212112320130330 its reverse (33031023211212), we get a palindrome (245143343341542).

The spelling of 212112320130330 in words is "two hundred twelve trillion, one hundred twelve billion, three hundred twenty million, one hundred thirty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 228077763581 456155527162 684233290743 1140388817905 1368466581486 2280777635810 3421166453715 6842332907430 7070410671011 14140821342022 21211232013033 35352053355055 42422464026066 70704106710110 106056160065165 212112320130330