Base | Representation |
---|---|
bin | 111111110100100… |
… | …0000001011000101 |
3 | 12112020112012001211 |
4 | 1333221000023011 |
5 | 13341203030140 |
6 | 552254451421 |
7 | 104032032112 |
oct | 17751001305 |
9 | 5466465054 |
10 | 2141455045 |
11 | 9a9882964 |
12 | 4b9203b71 |
13 | 281873a82 |
14 | 16459b909 |
15 | c80052ea |
hex | 7fa402c5 |
2141455045 has 16 divisors (see below), whose sum is σ = 2654760960. Its totient is φ = 1656576000.
The previous prime is 2141455039. The next prime is 2141455049. The reversal of 2141455045 is 5405541412.
It is a happy number.
It is not a de Polignac number, because 2141455045 - 227 = 2007237317 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is a junction number, because it is equal to n+sod(n) for n = 2141454998 and 2141455016.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2141455049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218245 + ... + 227845.
It is an arithmetic number, because the mean of its divisors is an integer number (165922560).
Almost surely, 22141455045 is an apocalyptic number.
It is an amenable number.
2141455045 is a deficient number, since it is larger than the sum of its proper divisors (513305915).
2141455045 is a wasteful number, since it uses less digits than its factorization.
2141455045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11076.
The product of its (nonzero) digits is 16000, while the sum is 31.
The square root of 2141455045 is about 46275.8581227836. The cubic root of 2141455045 is about 1288.9507412419.
Adding to 2141455045 its reverse (5405541412), we get a palindrome (7546996457).
The spelling of 2141455045 in words is "two billion, one hundred forty-one million, four hundred fifty-five thousand, forty-five".
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