Base | Representation |
---|---|
bin | 1011110001101011110… |
… | …0000001001101110001 |
3 | 201100012201010101212111 |
4 | 2330122330001031301 |
5 | 11303320220413040 |
6 | 232535321125321 |
7 | 20421364363261 |
oct | 2743274011561 |
9 | 640181111774 |
10 | 202315404145 |
11 | 7888a853648 |
12 | 33263029841 |
13 | 16102c288ba |
14 | 9b137dd7a1 |
15 | 53e1889dea |
hex | 2f1af01371 |
202315404145 has 8 divisors (see below), whose sum is σ = 242781036840. Its totient is φ = 161850622080.
The previous prime is 202315404139. The next prime is 202315404167. The reversal of 202315404145 is 541404513202.
202315404145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 6603837696 + 195711566449 = 81264^2 + 442393^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 202315404145 - 231 = 200167920497 is a prime.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 577525 + ... + 859165.
It is an arithmetic number, because the mean of its divisors is an integer number (30347629605).
Almost surely, 2202315404145 is an apocalyptic number.
It is an amenable number.
202315404145 is a deficient number, since it is larger than the sum of its proper divisors (40465632695).
202315404145 is a wasteful number, since it uses less digits than its factorization.
202315404145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 425315.
The product of its (nonzero) digits is 19200, while the sum is 31.
Adding to 202315404145 its reverse (541404513202), we get a palindrome (743719917347).
The spelling of 202315404145 in words is "two hundred two billion, three hundred fifteen million, four hundred four thousand, one hundred forty-five".
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