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829793464900 = 225271212832
BaseRepresentation
bin11000001001100111000…
…10110111001001000100
32221022211201210120110121
430010303202313021010
5102043404111334100
61433111333431324
7113644025034511
oct14046342671104
92838751716417
10829793464900
1129aa05861964
121149a019b544
1360331609a4a
142c23b1aa308
15168b8c2051a
hexc1338b7244

829793464900 has 81 divisors (see below), whose sum is σ = 1827794938333. Its totient is φ = 326987432800.

The previous prime is 829793464897. The next prime is 829793464961. The reversal of 829793464900 is 9464397928.

The square root of 829793464900 is 910930.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 298725647364 + 531067817536 = 546558^2 + 728744^2 .

It is a Duffinian number.

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 26 ways as a sum of consecutive naturals, for example, 646759659 + ... + 646760941.

Almost surely, 2829793464900 is an apocalyptic number.

829793464900 is the 910930-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 829793464900

829793464900 is an abundant number, since it is smaller than the sum of its proper divisors (998001473433).

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

829793464900 is an equidigital number, since it uses as much as digits as its factorization.

829793464900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 23514624, while the sum is 61.

The spelling of 829793464900 in words is "eight hundred twenty-nine billion, seven hundred ninety-three million, four hundred sixty-four thousand, nine hundred".

Divisors: 1 2 4 5 10 20 25 50 71 100 142 284 355 710 1283 1420 1775 2566 3550 5041 5132 6415 7100 10082 12830 20164 25205 25660 32075 50410 64150 91093 100820 126025 128300 182186 252050 364372 455465 504100 910930 1646089 1821860 2277325 3292178 4554650 6467603 6584356 8230445 9109300 12935206 16460890 25870412 32338015 32921780 41152225 64676030 82304450 116872319 129352060 161690075 164608900 233744638 323380150 467489276 584361595 646760300 1168723190 2337446380 2921807975 5843615950 8297934649 11687231900 16595869298 33191738596 41489673245 82979346490 165958692980 207448366225 414896732450 829793464900