Base | Representation |
---|---|
bin | 10100111000100101… |
… | …10110000110011001 |
3 | 1001221101120201211020 |
4 | 22130102312012121 |
5 | 140430300323343 |
6 | 5052322353053 |
7 | 544563310611 |
oct | 123422660631 |
9 | 31841521736 |
10 | 11212120473 |
11 | 4833a4a074 |
12 | 220aabb789 |
13 | 1098b66718 |
14 | 785129a41 |
15 | 4594deb83 |
hex | 29c4b6199 |
11212120473 has 8 divisors (see below), whose sum is σ = 15314115936. Its totient is φ = 7292436000.
The previous prime is 11212120463. The next prime is 11212120481. The reversal of 11212120473 is 37402121211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11212120473 - 210 = 11212119449 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (11212120463) 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, 45577603 + ... + 45577848.
It is an arithmetic number, because the mean of its divisors is an integer number (1914264492).
Almost surely, 211212120473 is an apocalyptic number.
It is an amenable number.
11212120473 is a deficient number, since it is larger than the sum of its proper divisors (4101995463).
11212120473 is an equidigital number, since it uses as much as digits as its factorization.
11212120473 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91155495.
The product of its (nonzero) digits is 672, while the sum is 24.
Adding to 11212120473 its reverse (37402121211), we get a palindrome (48614241684).
The spelling of 11212120473 in words is "eleven billion, two hundred twelve million, one hundred twenty thousand, four hundred seventy-three".
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