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20131132322312 = 2311931332456303
BaseRepresentation
bin1001001001111001001001…
…11111011011001000001000
32122021111222020001200110222
410210330210333123020020
510114312024333303222
6110452040422525212
74145266140252314
oct444744477331010
978244866050428
1020131132322312
116461624418730
12231166b596808
13b3048594526b
144d84cdc7ab44
1524d9cc317542
hex124f24fdb208

20131132322312 has 32 divisors (see below), whose sum is σ = 41177775012480. Its totient is φ = 9150412714560.

The previous prime is 20131132322291. The next prime is 20131132322351. The reversal of 20131132322312 is 21322323113102.

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, 6967553 + ... + 9423855.

It is an arithmetic number, because the mean of its divisors is an integer number (1286805469140).

Almost surely, 220131132322312 is an apocalyptic number.

20131132322312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20131132322312 is an abundant number, since it is smaller than the sum of its proper divisors (21046642690168).

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

20131132322312 is a wasteful number, since it uses less digits than its factorization.

20131132322312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549453 (or 2549449 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 20131132322312 its reverse (21322323113102), we get a palindrome (41453455435414).

The spelling of 20131132322312 in words is "twenty trillion, one hundred thirty-one billion, one hundred thirty-two million, three hundred twenty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 93133 186266 372532 745064 1024463 2048926 2456303 4097852 4912606 8195704 9825212 19650424 27019333 54038666 108077332 216154664 228762867299 457525734598 915051469196 1830102938392 2516391540289 5032783080578 10065566161156 20131132322312