Base | Representation |
---|---|
bin | 10010110001010010… |
… | …100110101011110111 |
3 | 1221000120220012112012 |
4 | 102301102212223313 |
5 | 312234001012323 |
6 | 13131520514435 |
7 | 1312304560244 |
oct | 226122465367 |
9 | 57016805465 |
10 | 20154313463 |
11 | 8602648009 |
12 | 3aa577ba1b |
13 | 1b92656c8b |
14 | d929b45cb |
15 | 7ce59d678 |
hex | 4b14a6af7 |
20154313463 has 8 divisors (see below), whose sum is σ = 20212445520. Its totient is φ = 20096256960.
The previous prime is 20154313427. The next prime is 20154313471. The reversal of 20154313463 is 36431345102.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20154313463 - 228 = 19885878007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20154313423) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 538856 + ... + 575042.
It is an arithmetic number, because the mean of its divisors is an integer number (2526555690).
Almost surely, 220154313463 is an apocalyptic number.
20154313463 is a deficient number, since it is larger than the sum of its proper divisors (58132057).
20154313463 is a wasteful number, since it uses less digits than its factorization.
20154313463 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37777.
The product of its (nonzero) digits is 25920, while the sum is 32.
Adding to 20154313463 its reverse (36431345102), we get a palindrome (56585658565).
The spelling of 20154313463 in words is "twenty billion, one hundred fifty-four million, three hundred thirteen thousand, four hundred sixty-three".
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