Base | Representation |
---|---|
bin | 1001100101010110… |
… | …00111010100001011 |
3 | 111021120110200211200 |
4 | 10302223013110023 |
5 | 41014123132001 |
6 | 2210313555243 |
7 | 241333612512 |
oct | 46253072413 |
9 | 14246420750 |
10 | 5145130251 |
11 | 2200323568 |
12 | bb7115b23 |
13 | 63cc44091 |
14 | 36b47d679 |
15 | 201a73086 |
hex | 132ac750b |
5145130251 has 12 divisors (see below), whose sum is σ = 7823005320. Its totient is φ = 3249555840.
The previous prime is 5145130247. The next prime is 5145130307. The reversal of 5145130251 is 1520315415.
It is not a de Polignac number, because 5145130251 - 22 = 5145130247 is a prime.
It is not an unprimeable number, because it can be changed into a prime (5145130231) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15044070 + ... + 15044411.
It is an arithmetic number, because the mean of its divisors is an integer number (651917110).
Almost surely, 25145130251 is an apocalyptic number.
5145130251 is a deficient number, since it is larger than the sum of its proper divisors (2677875069).
5145130251 is a wasteful number, since it uses less digits than its factorization.
5145130251 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30088506 (or 30088503 counting only the distinct ones).
The product of its (nonzero) digits is 3000, while the sum is 27.
The square root of 5145130251 is about 71729.5632985452. The cubic root of 5145130251 is about 1726.3630200077.
Adding to 5145130251 its reverse (1520315415), we get a palindrome (6665445666).
The spelling of 5145130251 in words is "five billion, one hundred forty-five million, one hundred thirty thousand, two hundred fifty-one".
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