Base | Representation |
---|---|
bin | 10011001111101000… |
… | …101010010101111111 |
3 | 1222100001212002120002 |
4 | 103033220222111333 |
5 | 314304313141340 |
6 | 13254224344515 |
7 | 1331026050644 |
oct | 231750522577 |
9 | 58301762502 |
10 | 20663412095 |
11 | 8843a59387 |
12 | 400817513b |
13 | 1c43c76581 |
14 | 1000457dcb |
15 | 80e112715 |
hex | 4cfa2a57f |
20663412095 has 8 divisors (see below), whose sum is σ = 26101152240. Its totient is φ = 15660691200.
The previous prime is 20663412073. The next prime is 20663412103. The reversal of 20663412095 is 59021436602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20663412095 - 228 = 20394976639 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108754706 + ... + 108754895.
It is an arithmetic number, because the mean of its divisors is an integer number (3262644030).
Almost surely, 220663412095 is an apocalyptic number.
20663412095 is a deficient number, since it is larger than the sum of its proper divisors (5437740145).
20663412095 is a wasteful number, since it uses less digits than its factorization.
20663412095 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217509625.
The product of its (nonzero) digits is 77760, while the sum is 38.
Adding to 20663412095 its reverse (59021436602), we get a palindrome (79684848697).
The spelling of 20663412095 in words is "twenty billion, six hundred sixty-three million, four hundred twelve thousand, ninety-five".
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