Base | Representation |
---|---|
bin | 10110001000001101… |
… | …01000110001101100 |
3 | 1010122221022222101101 |
4 | 23010012220301230 |
5 | 143312240240222 |
6 | 5242501452444 |
7 | 600253260130 |
oct | 130406506154 |
9 | 33587288341 |
10 | 11880008812 |
11 | 5046a56501 |
12 | 2376711124 |
13 | 1174341919 |
14 | 809b053c0 |
15 | 497e6c927 |
hex | 2c41a8c6c |
11880008812 has 24 divisors (see below), whose sum is σ = 23764847904. Its totient is φ = 5090397312.
The previous prime is 11880008801. The next prime is 11880008839. The reversal of 11880008812 is 21880008811.
It is a happy number.
It is a super-2 number, since 2×118800088122 (a number of 21 digits) contains 22 as substring.
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, 106128 + ... + 187144.
It is an arithmetic number, because the mean of its divisors is an integer number (990201996).
Almost surely, 211880008812 is an apocalyptic number.
It is an amenable number.
11880008812 is an abundant number, since it is smaller than the sum of its proper divisors (11884839092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11880008812 is a wasteful number, since it uses less digits than its factorization.
11880008812 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 86265 (or 86263 counting only the distinct ones).
The product of its (nonzero) digits is 8192, while the sum is 37.
Subtracting 11880008812 from its reverse (21880008811), we obtain a palindrome (9999999999).
The spelling of 11880008812 in words is "eleven billion, eight hundred eighty million, eight thousand, eight hundred twelve".
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