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104684308456225 = 521721203712
BaseRepresentation
bin10111110011010110110111…
…000001001110001100100001
3111201122201111110002121112211
4113303112313001032030201
5102210121430431044400
61010351150221522121
731023122516101021
oct2763266701161441
9451581443077484
10104684308456225
11303a0403011343
12b8a862b113341
1346548c34c4164
141bbca67459a81
15c1812be6adba
hex5f35b704e321

104684308456225 has 27 divisors (see below), whose sum is σ = 137894649189721. Its totient is φ = 78820471548800.

The previous prime is 104684308456183. The next prime is 104684308456229. The reversal of 104684308456225 is 522654803486401.

The square root of 104684308456225 is 10231535.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2448671021329 + 102235637434896 = 1564823^2 + 10111164^2 .

It is a de Polignac number, because none of the positive numbers 2k-104684308456225 is a prime.

It is a super-2 number, since 2×1046843084562252 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104684308456225.

It is not an unprimeable number, because it can be changed into a prime (104684308456229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 869620290 + ... + 869740660.

Almost surely, 2104684308456225 is an apocalyptic number.

104684308456225 is the 10231535-th square number.

104684308456225 is the 5115768-th centered octagonal number.

It is an amenable number.

104684308456225 is a deficient number, since it is larger than the sum of its proper divisors (33210340733496).

104684308456225 is an frugal number, since it uses more digits than its factorization.

104684308456225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240786 (or 120393 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 58.

The spelling of 104684308456225 in words is "one hundred four trillion, six hundred eighty-four billion, three hundred eight million, four hundred fifty-six thousand, two hundred twenty-five".

Divisors: 1 5 17 25 85 289 425 1445 7225 120371 601855 2046307 3009275 10231535 34787219 51157675 173936095 869680475 14489177641 72445888205 246316019897 362229441025 1231580099485 4187372338249 6157900497425 20936861691245 104684308456225