Base | Representation |
---|---|
bin | 101111111101001110… |
… | …0110111001110011101 |
3 | 100211211021112212010100 |
4 | 1133322130313032131 |
5 | 3141403421234140 |
6 | 115151113531313 |
7 | 10304043363006 |
oct | 1377234671635 |
9 | 324737485110 |
10 | 102986118045 |
11 | 3a748a84858 |
12 | 17b61a13b39 |
13 | 99333734b5 |
14 | 4dad8921ad |
15 | 2a2b48a530 |
hex | 17fa73739d |
102986118045 has 12 divisors (see below), whose sum is σ = 178509271356. Its totient is φ = 54925929600.
The previous prime is 102986118023. The next prime is 102986118077. The reversal of 102986118045 is 540811689201.
It is a happy number.
102986118045 is a `hidden beast` number, since 1 + 0 + 29 + 8 + 611 + 8 + 0 + 4 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 31365118404 + 71620999641 = 177102^2 + 267621^2 .
It is not a de Polignac number, because 102986118045 - 27 = 102986117917 is a prime.
It is a super-2 number, since 2×1029861180452 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 2288580401 = 102986118045 / (1 + 0 + 2 + 9 + 8 + 6 + 1 + 1 + 8 + 0 + 4 + 5).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1144290156 + ... + 1144290245.
It is an arithmetic number, because the mean of its divisors is an integer number (14875772613).
Almost surely, 2102986118045 is an apocalyptic number.
102986118045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
102986118045 is a deficient number, since it is larger than the sum of its proper divisors (75523153311).
102986118045 is a wasteful number, since it uses less digits than its factorization.
102986118045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2288580412 (or 2288580409 counting only the distinct ones).
The product of its (nonzero) digits is 138240, while the sum is 45.
The spelling of 102986118045 in words is "one hundred two billion, nine hundred eighty-six million, one hundred eighteen thousand, forty-five".
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