Base | Representation |
---|---|
bin | 10110110100000011… |
… | …00110110111111110 |
3 | 1011121120101011000211 |
4 | 23122001212313332 |
5 | 200040413222204 |
6 | 5343200343034 |
7 | 612340326544 |
oct | 133201466776 |
9 | 34546334024 |
10 | 12247789054 |
11 | 5215615216 |
12 | 2459914a7a |
13 | 12025b1a77 |
14 | 8428bdd94 |
15 | 4ba3b9804 |
hex | 2da066dfe |
12247789054 has 8 divisors (see below), whose sum is σ = 18373174848. Its totient is φ = 6123397440.
The previous prime is 12247789031. The next prime is 12247789061. The reversal of 12247789054 is 45098774221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×122477890542 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12247788989 and 12247789007.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216942 + ... + 267505.
It is an arithmetic number, because the mean of its divisors is an integer number (2296646856).
Almost surely, 212247789054 is an apocalyptic number.
12247789054 is a deficient number, since it is larger than the sum of its proper divisors (6125385794).
12247789054 is a wasteful number, since it uses less digits than its factorization.
12247789054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 497090.
The product of its (nonzero) digits is 1128960, while the sum is 49.
The spelling of 12247789054 in words is "twelve billion, two hundred forty-seven million, seven hundred eighty-nine thousand, fifty-four".
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