Base | Representation |
---|---|
bin | 11000111101100010… |
… | …10011011101101001 |
3 | 1021120221121121102000 |
4 | 30132301103131221 |
5 | 204421143040040 |
6 | 10053441001213 |
7 | 653043560115 |
oct | 143661233551 |
9 | 37527547360 |
10 | 13401143145 |
11 | 5757661215 |
12 | 2720023209 |
13 | 1357523700 |
14 | 911b4a745 |
15 | 53678e130 |
hex | 31ec53769 |
13401143145 has 96 divisors (see below), whose sum is σ = 26164373760. Its totient is φ = 6503777280.
The previous prime is 13401143143. The next prime is 13401143149. The reversal of 13401143145 is 54134110431.
13401143145 is a `hidden beast` number, since 1 + 340 + 1 + 1 + 4 + 314 + 5 = 666.
It is not a de Polignac number, because 13401143145 - 21 = 13401143143 is a prime.
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 (13401143141) 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 95 ways as a sum of consecutive naturals, for example, 1615729 + ... + 1624001.
It is an arithmetic number, because the mean of its divisors is an integer number (272545560).
Almost surely, 213401143145 is an apocalyptic number.
13401143145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13401143145 is a deficient number, since it is larger than the sum of its proper divisors (12763230615).
13401143145 is a wasteful number, since it uses less digits than its factorization.
13401143145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8384 (or 8365 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
Adding to 13401143145 its reverse (54134110431), we get a palindrome (67535253576).
The spelling of 13401143145 in words is "thirteen billion, four hundred one million, one hundred forty-three thousand, one hundred forty-five".
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