Base | Representation |
---|---|
bin | 110010000011001011… |
… | …1100110011111001001 |
3 | 101021102112112011210000 |
4 | 1210012113212133021 |
5 | 3230110121021044 |
6 | 121213123313213 |
7 | 10523323463214 |
oct | 1440627463711 |
9 | 337375464700 |
10 | 107481032649 |
11 | 41645271711 |
12 | 189b721b809 |
13 | a19b689393 |
14 | 52b883677b |
15 | 2be0dc1d69 |
hex | 19065e67c9 |
107481032649 has 45 divisors (see below), whose sum is σ = 163114522263. Its totient is φ = 70530831648.
The previous prime is 107481032647. The next prime is 107481032669. The reversal of 107481032649 is 946230184701.
The square root of 107481032649 is 327843.
It is a perfect power (a square), and thus also a powerful number.
107481032649 is a `hidden beast` number, since 107 + 481 + 0 + 3 + 2 + 64 + 9 = 666.
It can be written as a sum of positive squares in only one way, i.e., 61011470025 + 46469562624 = 247005^2 + 215568^2 .
It is not a de Polignac number, because 107481032649 - 21 = 107481032647 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (107481032647) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 215392602 + ... + 215393100.
Almost surely, 2107481032649 is an apocalyptic number.
107481032649 is the 327843-rd square number.
107481032649 is the 163922-nd centered octagonal number.
It is an amenable number.
107481032649 is a deficient number, since it is larger than the sum of its proper divisors (55633489614).
107481032649 is an frugal number, since it uses more digits than its factorization.
107481032649 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1156 (or 575 counting only the distinct ones).
The product of its (nonzero) digits is 290304, while the sum is 45.
The spelling of 107481032649 in words is "one hundred seven billion, four hundred eighty-one million, thirty-two thousand, six hundred forty-nine".
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