Base | Representation |
---|---|
bin | 100100011111111… |
… | …1010001101100101 |
3 | 10011100111212111000 |
4 | 1020333322031211 |
5 | 10002011304221 |
6 | 321305503513 |
7 | 42230614005 |
oct | 11077721545 |
9 | 3140455430 |
10 | 1224713061 |
11 | 579356060 |
12 | 2a21a1b99 |
13 | 166967bb0 |
14 | b8924005 |
15 | 727bce26 |
hex | 48ffa365 |
1224713061 has 64 divisors (see below), whose sum is σ = 2189456640. Its totient is φ = 666558720.
The previous prime is 1224713059. The next prime is 1224713089. The reversal of 1224713061 is 1603174221.
It is not a de Polignac number, because 1224713061 - 21 = 1224713059 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1224713011) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 138571 + ... + 147143.
It is an arithmetic number, because the mean of its divisors is an integer number (34210260).
Almost surely, 21224713061 is an apocalyptic number.
1224713061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1224713061 is a deficient number, since it is larger than the sum of its proper divisors (964743579).
1224713061 is a wasteful number, since it uses less digits than its factorization.
1224713061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8643 (or 8637 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 27.
The square root of 1224713061 is about 34995.9006313597. The cubic root of 1224713061 is about 1069.9039308746.
Adding to 1224713061 its reverse (1603174221), we get a palindrome (2827887282).
The spelling of 1224713061 in words is "one billion, two hundred twenty-four million, seven hundred thirteen thousand, sixty-one".
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