Base | Representation |
---|---|
bin | 1001010111001101… |
… | …0011001100011001 |
3 | 20111011010111011211 |
4 | 2111303103030121 |
5 | 20121343100040 |
6 | 1053215423121 |
7 | 116165204434 |
oct | 22563231431 |
9 | 6434114154 |
10 | 2513253145 |
11 | 107a736317 |
12 | 5a1824aa1 |
13 | 3108bc950 |
14 | 19bb0081b |
15 | ea9978ea |
hex | 95cd3319 |
2513253145 has 16 divisors (see below), whose sum is σ = 3256278480. Its totient is φ = 1851151104.
The previous prime is 2513253133. The next prime is 2513253151. The reversal of 2513253145 is 5413523152.
2513253145 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 8 ways, for example, as 424854544 + 2088398601 = 20612^2 + 45699^2 .
It is a cyclic number.
It is not a de Polignac number, because 2513253145 - 213 = 2513244953 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24414 + ... + 74983.
It is an arithmetic number, because the mean of its divisors is an integer number (203517405).
Almost surely, 22513253145 is an apocalyptic number.
It is an amenable number.
2513253145 is a deficient number, since it is larger than the sum of its proper divisors (743025335).
2513253145 is a wasteful number, since it uses less digits than its factorization.
2513253145 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 99804.
The product of its digits is 18000, while the sum is 31.
The square root of 2513253145 is about 50132.3562681827. The cubic root of 2513253145 is about 1359.6028874086.
Adding to 2513253145 its reverse (5413523152), we get a palindrome (7926776297).
The spelling of 2513253145 in words is "two billion, five hundred thirteen million, two hundred fifty-three thousand, one hundred forty-five".
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