Base | Representation |
---|---|
bin | 10011000000110011… |
… | …101000110111110111 |
3 | 1221200201201201121211 |
4 | 103000303220313313 |
5 | 313302121201130 |
6 | 13213420222251 |
7 | 1321615334563 |
oct | 230063506767 |
9 | 57621651554 |
10 | 20414631415 |
11 | 8726588812 |
12 | 3b5899a987 |
13 | 1c0456cb79 |
14 | db93b86a3 |
15 | 7e736ea2a |
hex | 4c0ce8df7 |
20414631415 has 64 divisors (see below), whose sum is σ = 27031680000. Its totient is φ = 14746281984.
The previous prime is 20414631379. The next prime is 20414631427. The reversal of 20414631415 is 51413641402.
It is a cyclic number.
It is not a de Polignac number, because 20414631415 - 225 = 20381076983 is a prime.
It is a congruent number.
It is an unprimeable number.
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 63 ways as a sum of consecutive naturals, for example, 40910836 + ... + 40911334.
It is an arithmetic number, because the mean of its divisors is an integer number (422370000).
Almost surely, 220414631415 is an apocalyptic number.
20414631415 is a deficient number, since it is larger than the sum of its proper divisors (6617048585).
20414631415 is a wasteful number, since it uses less digits than its factorization.
20414631415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 776.
The product of its (nonzero) digits is 11520, while the sum is 31.
The spelling of 20414631415 in words is "twenty billion, four hundred fourteen million, six hundred thirty-one thousand, four hundred fifteen".
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