Base | Representation |
---|---|
bin | 10100100000110000… |
… | …10100111101001011 |
3 | 1001102110110021222221 |
4 | 22100120110331023 |
5 | 140023112342422 |
6 | 5020422154511 |
7 | 536615263462 |
oct | 122030247513 |
9 | 31373407887 |
10 | 11012230987 |
11 | 474113214a |
12 | 2173b82a37 |
13 | 106661a814 |
14 | 7667759d9 |
15 | 446ba83c7 |
hex | 290614f4b |
11012230987 has 8 divisors (see below), whose sum is σ = 11399955840. Its totient is φ = 10625039040.
The previous prime is 11012230969. The next prime is 11012231003. The reversal of 11012230987 is 78903221011.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-11012230987 is a prime.
It is a super-2 number, since 2×110122309872 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (11012230787) 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, 90939 + ... + 174052.
It is an arithmetic number, because the mean of its divisors is an integer number (1424994480).
Almost surely, 211012230987 is an apocalyptic number.
11012230987 is a deficient number, since it is larger than the sum of its proper divisors (387724853).
11012230987 is a wasteful number, since it uses less digits than its factorization.
11012230987 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 266453.
The product of its (nonzero) digits is 6048, while the sum is 34.
Adding to 11012230987 its reverse (78903221011), we get a palindrome (89915451998).
The spelling of 11012230987 in words is "eleven billion, twelve million, two hundred thirty thousand, nine hundred eighty-seven".
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