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105663455673 = 3294612634539
BaseRepresentation
bin110001001101000001…
…0000110000110111001
3101002201212102200220020
41202122002012012321
53212344321040143
6120312514321053
710430303361036
oct1423202060671
9332655380806
10105663455673
11408a22a2186
121858a589189
139c6bc53a49
1451852a638d
152b36545883
hex189a0861b9

105663455673 has 16 divisors (see below), whose sum is σ = 146058897600. Its totient is φ = 67865698880.

The previous prime is 105663455549. The next prime is 105663455683. The reversal of 105663455673 is 376554366501.

It is a cyclic number.

It is not a de Polignac number, because 105663455673 - 214 = 105663439289 is a prime.

It is a super-2 number, since 2×1056634556732 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105663455683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277163 + ... + 1357376.

It is an arithmetic number, because the mean of its divisors is an integer number (9128681100).

Almost surely, 2105663455673 is an apocalyptic number.

It is an amenable number.

105663455673 is a deficient number, since it is larger than the sum of its proper divisors (40395441927).

105663455673 is a wasteful number, since it uses less digits than its factorization.

105663455673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2635032.

The product of its (nonzero) digits is 6804000, while the sum is 51.

The spelling of 105663455673 in words is "one hundred five billion, six hundred sixty-three million, four hundred fifty-five thousand, six hundred seventy-three".

Divisors: 1 3 29 87 461 1383 13369 40107 2634539 7903617 76401631 229204893 1214522479 3643567437 35221151891 105663455673