Base | Representation |
---|---|
bin | 111001001101100010… |
… | …100101011011110011 |
3 | 12212120012020101202010 |
4 | 321031202211123303 |
5 | 2001302144012003 |
6 | 44115403454003 |
7 | 4303206146352 |
oct | 711542453363 |
9 | 185505211663 |
10 | 61430454003 |
11 | 24063987356 |
12 | baa4b27303 |
13 | 5a3cc0c489 |
14 | 2d8a851999 |
15 | 18e8111003 |
hex | e4d8a56f3 |
61430454003 has 8 divisors (see below), whose sum is σ = 83250014416. Its totient is φ = 40282264800.
The previous prime is 61430453999. The next prime is 61430454079. The reversal of 61430454003 is 30045403416.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 61430454003 - 22 = 61430453999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (61430454103) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167842588 + ... + 167842953.
It is an arithmetic number, because the mean of its divisors is an integer number (10406251802).
Almost surely, 261430454003 is an apocalyptic number.
61430454003 is a deficient number, since it is larger than the sum of its proper divisors (21819560413).
61430454003 is a wasteful number, since it uses less digits than its factorization.
61430454003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 335685605.
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 61430454003 its reverse (30045403416), we get a palindrome (91475857419).
The spelling of 61430454003 in words is "sixty-one billion, four hundred thirty million, four hundred fifty-four thousand, three".
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