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1020202222112 = 25611942726903
BaseRepresentation
bin11101101100010001100…
…10101000001000100000
310121112022122110122022122
432312020302220020200
5113203333232101422
62100401402123412
7133464363543533
oct16661062501040
93545278418278
101020202222112
11363735615427
1214587b7b0568
1375287828018
143754152ca1a
151b810129d42
hexed88ca8220

1020202222112 has 48 divisors (see below), whose sum is σ = 2041630702272. Its totient is φ = 501694321920.

The previous prime is 1020202222097. The next prime is 1020202222121. The reversal of 1020202222112 is 2112222020201.

It is a happy number.

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, 37908053 + ... + 37934955.

It is an arithmetic number, because the mean of its divisors is an integer number (42533972964).

Almost surely, 21020202222112 is an apocalyptic number.

It is an amenable number.

1020202222112 is an abundant number, since it is smaller than the sum of its proper divisors (1021428480160).

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

1020202222112 is a wasteful number, since it uses less digits than its factorization.

1020202222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46401 (or 46393 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1020202222112 its reverse (2112222020201), we get a palindrome (3132424242313).

The spelling of 1020202222112 in words is "one trillion, twenty billion, two hundred two million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 19427 26903 38854 53806 77708 107612 155416 215224 310832 430448 621664 860896 1185047 1641083 2370094 3282166 4740188 6564332 9480376 13128664 18960752 26257328 37921504 52514656 522644581 1045289162 2090578324 4181156648 8362313296 16724626592 31881319441 63762638882 127525277764 255050555528 510101111056 1020202222112