Base | Representation |
---|---|
bin | 11000011101011111… |
… | …10111100010001001 |
3 | 1020220012210112200000 |
4 | 30032233313202021 |
5 | 203343334044040 |
6 | 10011035233213 |
7 | 643300654503 |
oct | 141657674211 |
9 | 36805715600 |
10 | 13132331145 |
11 | 562994983a |
12 | 2665ba8809 |
13 | 131392555b |
14 | 8c8174d73 |
15 | 51cd91130 |
hex | 30ebf7889 |
13132331145 has 48 divisors (see below), whose sum is σ = 24419828160. Its totient is φ = 6762377664.
The previous prime is 13132331141. The next prime is 13132331167. The reversal of 13132331145 is 54113323131.
13132331145 is a `hidden beast` number, since 1 + 313 + 2 + 331 + 14 + 5 = 666.
It is not a de Polignac number, because 13132331145 - 22 = 13132331141 is a prime.
It is a super-2 number, since 2×131323311452 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (13132331141) 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 47 ways as a sum of consecutive naturals, for example, 151119 + ... + 221588.
It is an arithmetic number, because the mean of its divisors is an integer number (508746420).
Almost surely, 213132331145 is an apocalyptic number.
13132331145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13132331145 is a deficient number, since it is larger than the sum of its proper divisors (11287497015).
13132331145 is an equidigital number, since it uses as much as digits as its factorization.
13132331145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 372756 (or 372744 counting only the distinct ones).
The product of its digits is 3240, while the sum is 27.
Adding to 13132331145 its reverse (54113323131), we get a palindrome (67245654276).
The spelling of 13132331145 in words is "thirteen billion, one hundred thirty-two million, three hundred thirty-one thousand, one hundred forty-five".
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