Base | Representation |
---|---|
bin | 10001000110110… |
… | …11001011100101 |
3 | 101000000202121201 |
4 | 20203123023211 |
5 | 243214112401 |
6 | 22123442501 |
7 | 3361523206 |
oct | 1043331345 |
9 | 330022551 |
10 | 143504101 |
11 | 74005834 |
12 | 40086431 |
13 | 23966290 |
14 | 150b75ad |
15 | c8e9b01 |
hex | 88db2e5 |
143504101 has 4 divisors (see below), whose sum is σ = 154542892. Its totient is φ = 132465312.
The previous prime is 143504099. The next prime is 143504117. The reversal of 143504101 is 101405341.
143504101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101405341 = 41 ⋅2473301.
It can be written as a sum of positive squares in 2 ways, for example, as 36360900 + 107143201 = 6030^2 + 10351^2 .
It is a cyclic number.
It is not a de Polignac number, because 143504101 - 21 = 143504099 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (143504161) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5519376 + ... + 5519401.
It is an arithmetic number, because the mean of its divisors is an integer number (38635723).
Almost surely, 2143504101 is an apocalyptic number.
It is an amenable number.
143504101 is a deficient number, since it is larger than the sum of its proper divisors (11038791).
143504101 is a wasteful number, since it uses less digits than its factorization.
143504101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11038790.
The product of its (nonzero) digits is 240, while the sum is 19.
The square root of 143504101 is about 11979.3197219208. The cubic root of 143504101 is about 523.5459095115.
Adding to 143504101 its reverse (101405341), we get a palindrome (244909442).
The spelling of 143504101 in words is "one hundred forty-three million, five hundred four thousand, one hundred one".
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