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1022130205540 = 225137661956359
BaseRepresentation
bin11101101111110111011…
…01010011001101100100
310121201022000022100101021
432313323231103031210
5113221310313034130
62101320553340524
7133563224252503
oct16677355231544
93551260270337
101022130205540
11364534943964
12146119407744
13755040a8a12
14376855dc83a
151b8c451437a
hexedfbb53364

1022130205540 has 48 divisors (see below), whose sum is σ = 2162506147200. Its totient is φ = 405799241472.

The previous prime is 1022130205477. The next prime is 1022130205549. The reversal of 1022130205540 is 455020312201.

It is not an unprimeable number, because it can be changed into a prime (1022130205549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18107881 + ... + 18164239.

It is an arithmetic number, because the mean of its divisors is an integer number (45052211400).

Almost surely, 21022130205540 is an apocalyptic number.

1022130205540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022130205540 is an abundant number, since it is smaller than the sum of its proper divisors (1140375941660).

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

1022130205540 is a wasteful number, since it uses less digits than its factorization.

1022130205540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63124 (or 63122 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 1022130205540 its reverse (455020312201), we get a palindrome (1477150517741).

The spelling of 1022130205540 in words is "one trillion, twenty-two billion, one hundred thirty million, two hundred five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 137 274 548 685 1370 2740 6619 13238 26476 33095 56359 66190 112718 132380 225436 281795 563590 906803 1127180 1813606 3627212 4534015 7721183 9068030 15442366 18136060 30884732 38605915 77211830 154423660 373040221 746080442 1492160884 1865201105 3730402210 7460804420 51106510277 102213020554 204426041108 255532551385 511065102770 1022130205540