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20835200544938 = 21347106649159871
BaseRepresentation
bin1001011110011000100101…
…01110100011000010101010
32201202211021221122012111222
410233030102232203002222
510212330442314414223
6112151320424222042
74250202456354233
oct457142256430252
981684257565458
1020835200544938
11670318259818a
12240600260a922
13b8199bb9c410
145206015b408a
15261e8861e0c8
hex12f312ba30aa

20835200544938 has 32 divisors (see below), whose sum is σ = 34373503180800. Its totient is φ = 9411498299520.

The previous prime is 20835200544923. The next prime is 20835200544941. The reversal of 20835200544938 is 83944500253802.

It is a self number, because there is not a number n which added to its sum of digits gives 20835200544938.

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, 130245143 + ... + 130405013.

It is an arithmetic number, because the mean of its divisors is an integer number (1074171974400).

Almost surely, 220835200544938 is an apocalyptic number.

20835200544938 is a deficient number, since it is larger than the sum of its proper divisors (13538302635862).

20835200544938 is a wasteful number, since it uses less digits than its factorization.

20835200544938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266582.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 20835200544938 in words is "twenty trillion, eight hundred thirty-five billion, two hundred million, five hundred forty-four thousand, nine hundred thirty-eight".

Divisors: 1 2 13 26 47 94 611 1222 106649 159871 213298 319742 1386437 2078323 2772874 4156646 5012503 7513937 10025006 15027874 65162539 97681181 130325078 195362362 17050082279 34100164558 221651069627 443302139254 801353867113 1602707734226 10417600272469 20835200544938