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900223852840 = 235132133169209
BaseRepresentation
bin11010001100110011000…
…01011110000100101000
310012001122010222222121021
431012121201132010220
5104222124301242330
61525320201222224
7122016246331504
oct15063141360450
93161563888537
10900223852840
11317867994844
12126577191974
1366b76c75400
14317dd017304
151863bee867a
hexd19985e128

900223852840 has 48 divisors (see below), whose sum is σ = 2193296888700. Its totient is φ = 332390343168.

The previous prime is 900223852823. The next prime is 900223852889. The reversal of 900223852840 is 48258322009.

It can be written as a sum of positive squares in 6 ways, for example, as 19175048676 + 881048804164 = 138474^2 + 938642^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66577845 + ... + 66591364.

Almost surely, 2900223852840 is an apocalyptic number.

It is an amenable number.

900223852840 is an abundant number, since it is smaller than the sum of its proper divisors (1293073035860).

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

900223852840 is a wasteful number, since it uses less digits than its factorization.

900223852840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133169246 (or 133169229 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 900223852840 in words is "nine hundred billion, two hundred twenty-three million, eight hundred fifty-two thousand, eight hundred forty".

Divisors: 1 2 4 5 8 10 13 20 26 40 52 65 104 130 169 260 338 520 676 845 1352 1690 3380 6760 133169209 266338418 532676836 665846045 1065353672 1331692090 1731199717 2663384180 3462399434 5326768360 6924798868 8655998585 13849597736 17311997170 22505596321 34623994340 45011192642 69247988680 90022385284 112527981605 180044770568 225055963210 450111926420 900223852840