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105445480882225 = 5211615432
BaseRepresentation
bin10111111110011011110000…
…011011100110000000110001
3111211100111012212022020011011
4113332123300123212000301
5102310104321101212400
61012132552444350521
731132120213004611
oct2776336033460061
9454314185266134
10105445480882225
11306641a5000000
12b9b005a245441
1346ab60a279a73
141c07834c06a41
15c2cd2b6668ba
hex5fe6f06e6031

105445480882225 has 63 divisors (see below), whose sum is σ = 143920901933211. Its totient is φ = 76637922121200.

The previous prime is 105445480882171. The next prime is 105445480882229. The reversal of 105445480882225 is 522288084544501.

The square root of 105445480882225 is 10268665.

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., 37960373117601 + 67485107764624 = 6161199^2 + 8214932^2 .

It is not a de Polignac number, because 105445480882225 - 213 = 105445480874033 is a prime.

It is a super-2 number, since 2×1054454808822252 (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 105445480882225.

It is not an unprimeable number, because it can be changed into a prime (105445480882229) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 68337964804 + ... + 68337966346.

Almost surely, 2105445480882225 is an apocalyptic number.

105445480882225 is the 10268665-th square number.

105445480882225 is the 5134333-rd centered octagonal number.

It is an amenable number.

105445480882225 is a deficient number, since it is larger than the sum of its proper divisors (38475421050986).

105445480882225 is an frugal number, since it uses more digits than its factorization.

105445480882225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3162 (or 1559 counting only the distinct ones).

The product of its (nonzero) digits is 32768000, while the sum is 58.

The spelling of 105445480882225 in words is "one hundred five trillion, four hundred forty-five billion, four hundred eighty million, eight hundred eighty-two thousand, two hundred twenty-five".

Divisors: 1 5 11 25 55 121 275 605 1331 1543 3025 6655 7715 14641 16973 33275 38575 73205 84865 161051 186703 366025 424325 805255 933515 1771561 2053733 2380849 4026275 4667575 8857805 10268665 11904245 22591063 26189339 44289025 51343325 59521225 112955315 130946695 248501693 288082729 564776575 654733475 1242508465 1440413645 2733518623 3168910019 6212542325 7202068225 13667593115 15844550095 34858010209 68337965575 79222750475 174290051045 383438112299 871450255225 1917190561495 4217819235289 9585952807475 21089096176445 105445480882225