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104955912961 = 174192592
BaseRepresentation
bin110000110111111011…
…1000010001100000001
3101000220120001210202121
41201233313002030001
53204422203203321
6120114401244241
710403622353224
oct1415767021401
9330816053677
10104955912961
1140569970939
1218411633681
139b884a3413
1451193275bb
152ae4383441
hex186fdc2301

104955912961 has 45 divisors (see below), whose sum is σ = 119722346661. Its totient is φ = 91996828992.

The previous prime is 104955912959. The next prime is 104955912967. The reversal of 104955912961 is 169219559401.

The square root of 104955912961 is 323969.

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

It can be written as a sum of positive squares in 2 ways, for example, as 32573391361 + 72382521600 = 180481^2 + 269040^2 .

It is not a de Polignac number, because 104955912961 - 21 = 104955912959 is a prime.

It is a super-2 number, since 2×1049559129612 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104955912899 and 104955912908.

It is not an unprimeable number, because it can be changed into a prime (104955912967) by changing a digit.

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 44 ways as a sum of consecutive naturals, for example, 1778913750 + ... + 1778913808.

Almost surely, 2104955912961 is an apocalyptic number.

104955912961 is the 323969-th square number.

104955912961 is the 161985-th centered octagonal number.

It is an amenable number.

104955912961 is a deficient number, since it is larger than the sum of its proper divisors (14766433700).

104955912961 is an frugal number, since it uses more digits than its factorization.

104955912961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 95 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 52.

The spelling of 104955912961 in words is "one hundred four billion, nine hundred fifty-five million, nine hundred twelve thousand, nine hundred sixty-one".

Divisors: 1 17 19 59 289 323 361 1003 1121 3481 4913 5491 6137 17051 19057 21299 59177 66139 83521 93347 104329 289867 323969 362083 1006009 1124363 1256641 1586899 1773593 4927739 5507473 6155411 17102153 19114171 21362897 30151081 93627041 104641987 290736601 324940907 363169249 1778913779 5523995419 6173877233 104955912961