Base | Representation |
---|---|
bin | 11000011100101010… |
… | …11101111010010011 |
3 | 1020212201202221021000 |
4 | 30032111131322103 |
5 | 203340101113301 |
6 | 10010231033043 |
7 | 643155101526 |
oct | 141625357223 |
9 | 36781687230 |
10 | 13125410451 |
11 | 5625a5215a |
12 | 266380b783 |
13 | 131237147a |
14 | 8c7292bbd |
15 | 51c475786 |
hex | 30e55de93 |
13125410451 has 32 divisors (see below), whose sum is σ = 19996001280. Its totient is φ = 8502949728.
The previous prime is 13125410423. The next prime is 13125410461. The reversal of 13125410451 is 15401452131.
It is not a de Polignac number, because 13125410451 - 211 = 13125408403 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 (13125410461) 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 31 ways as a sum of consecutive naturals, for example, 818230 + ... + 834116.
It is an arithmetic number, because the mean of its divisors is an integer number (624875040).
Almost surely, 213125410451 is an apocalyptic number.
13125410451 is a deficient number, since it is larger than the sum of its proper divisors (6870590829).
13125410451 is a wasteful number, since it uses less digits than its factorization.
13125410451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16760 (or 16754 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
Adding to 13125410451 its reverse (15401452131), we get a palindrome (28526862582).
The spelling of 13125410451 in words is "thirteen billion, one hundred twenty-five million, four hundred ten thousand, four hundred fifty-one".
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