Base | Representation |
---|---|
bin | 10101010111010101… |
… | …01001111001010101 |
3 | 1002121100212101201021 |
4 | 22223222221321111 |
5 | 141442311121211 |
6 | 5134054201141 |
7 | 554144364034 |
oct | 125352517125 |
9 | 32540771637 |
10 | 11470020181 |
11 | 4956588a24 |
12 | 22813531b1 |
13 | 110a4139b9 |
14 | 7ab4a071b |
15 | 471e84771 |
hex | 2abaa9e55 |
11470020181 has 8 divisors (see below), whose sum is σ = 11842806528. Its totient is φ = 11097408000.
The previous prime is 11470020169. The next prime is 11470020223. The reversal of 11470020181 is 18102007411.
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-11470020181 is a prime.
It is a super-2 number, since 2×114700201812 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11470020101) 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, 97626 + ... + 180196.
It is an arithmetic number, because the mean of its divisors is an integer number (1480350816).
Almost surely, 211470020181 is an apocalyptic number.
It is an amenable number.
11470020181 is a deficient number, since it is larger than the sum of its proper divisors (372786347).
11470020181 is an equidigital number, since it uses as much as digits as its factorization.
11470020181 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87083.
The product of its (nonzero) digits is 448, while the sum is 25.
Adding to 11470020181 its reverse (18102007411), we get a palindrome (29572027592).
The spelling of 11470020181 in words is "eleven billion, four hundred seventy million, twenty thousand, one hundred eighty-one".
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