Base | Representation |
---|---|
bin | 10001101010111100011… |
… | …111101110110001011101 |
3 | 11022002102122222210002011 |
4 | 101222330133232301131 |
5 | 124343433330242000 |
6 | 2325510033231221 |
7 | 153506361665011 |
oct | 21527437566135 |
9 | 4262378883064 |
10 | 1214343212125 |
11 | 4290000a370a |
12 | 177421102511 |
13 | 8a687044284 |
14 | 42abb422541 |
15 | 218c40162ba |
hex | 11abc7eec5d |
1214343212125 has 16 divisors (see below), whose sum is σ = 1552463757936. Its totient is φ = 947780064000.
The previous prime is 1214343212123. The next prime is 1214343212161. The reversal of 1214343212125 is 5212123434121.
It can be written as a sum of positive squares in 8 ways, for example, as 1015108640676 + 199234571449 = 1007526^2 + 446357^2 .
It is not a de Polignac number, because 1214343212125 - 21 = 1214343212123 is a prime.
It is an alternating number because its digits alternate between odd and even.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214343212123) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118467384 + ... + 118477633.
It is an arithmetic number, because the mean of its divisors is an integer number (97028984871).
Almost surely, 21214343212125 is an apocalyptic number.
It is an amenable number.
1214343212125 is a deficient number, since it is larger than the sum of its proper divisors (338120545811).
1214343212125 is an equidigital number, since it uses as much as digits as its factorization.
1214343212125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 236945073 (or 236945063 counting only the distinct ones).
The product of its digits is 11520, while the sum is 31.
Adding to 1214343212125 its reverse (5212123434121), we get a palindrome (6426466646246).
The spelling of 1214343212125 in words is "one trillion, two hundred fourteen billion, three hundred forty-three million, two hundred twelve thousand, one hundred twenty-five".
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