Base | Representation |
---|---|
bin | 10011001100101101… |
… | …000010100111010101 |
3 | 1222012122022022021010 |
4 | 103030231002213111 |
5 | 314204220302222 |
6 | 13245310242433 |
7 | 1326561023235 |
oct | 231455024725 |
9 | 58178268233 |
10 | 20614228437 |
11 | 8819215a30 |
12 | 3bb37b6419 |
13 | 1c36a1590a |
14 | dd7ad3cc5 |
15 | 809b4980c |
hex | 4ccb429d5 |
20614228437 has 16 divisors (see below), whose sum is σ = 29995186752. Its totient is φ = 12488949120.
The previous prime is 20614228409. The next prime is 20614228447. The reversal of 20614228437 is 73482241602.
It is a happy number.
It is not a de Polignac number, because 20614228437 - 28 = 20614228181 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20614228395 and 20614228404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20614228447) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19368 + ... + 203969.
It is an arithmetic number, because the mean of its divisors is an integer number (1874699172).
Almost surely, 220614228437 is an apocalyptic number.
It is an amenable number.
20614228437 is a deficient number, since it is larger than the sum of its proper divisors (9380958315).
20614228437 is a wasteful number, since it uses less digits than its factorization.
20614228437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 226148.
The product of its (nonzero) digits is 129024, while the sum is 39.
The spelling of 20614228437 in words is "twenty billion, six hundred fourteen million, two hundred twenty-eight thousand, four hundred thirty-seven".
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