Base | Representation |
---|---|
bin | 10110100010011110… |
… | …01001111001011101 |
3 | 1011020021221020102010 |
4 | 23101033021321131 |
5 | 144240142023222 |
6 | 5320412221433 |
7 | 605600145015 |
oct | 132117117135 |
9 | 34207836363 |
10 | 12100345437 |
11 | 514a369694 |
12 | 241846a879 |
13 | 11aab9961b |
14 | 82b09cc45 |
15 | 4ac49280c |
hex | 2d13c9e5d |
12100345437 has 8 divisors (see below), whose sum is σ = 16135980480. Its totient is φ = 8065803680.
The previous prime is 12100345427. The next prime is 12100345441. The reversal of 12100345437 is 73454300121.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12100345437 - 24 = 12100345421 is a prime.
It is a super-3 number, since 3×121003454373 (a number of 31 digits) contains 333 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12100345417) 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, 247137 + ... + 292022.
It is an arithmetic number, because the mean of its divisors is an integer number (2016997560).
Almost surely, 212100345437 is an apocalyptic number.
It is an amenable number.
12100345437 is a deficient number, since it is larger than the sum of its proper divisors (4035635043).
12100345437 is an equidigital number, since it uses as much as digits as its factorization.
12100345437 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 546643.
The product of its (nonzero) digits is 10080, while the sum is 30.
Adding to 12100345437 its reverse (73454300121), we get a palindrome (85554645558).
The spelling of 12100345437 in words is "twelve billion, one hundred million, three hundred forty-five thousand, four hundred thirty-seven".
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