Base | Representation |
---|---|
bin | 111001011101111111… |
… | …1101000011001110011 |
3 | 102210112212112021022201 |
4 | 1302323333220121303 |
5 | 4010222223313433 |
6 | 132410055044031 |
7 | 11626202035432 |
oct | 1627377503163 |
9 | 383485467281 |
10 | 123413104243 |
11 | 48380530930 |
12 | 1bb02970617 |
13 | b83a34a990 |
14 | 5d8a765119 |
15 | 332494aa7d |
hex | 1cbbfe8673 |
123413104243 has 32 divisors (see below), whose sum is σ = 151524237312. Its totient is φ = 98909078400.
The previous prime is 123413104193. The next prime is 123413104271. The reversal of 123413104243 is 342401314321.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-123413104243 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123413104343) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2145646 + ... + 2202412.
It is an arithmetic number, because the mean of its divisors is an integer number (4735132416).
Almost surely, 2123413104243 is an apocalyptic number.
123413104243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
123413104243 is a deficient number, since it is larger than the sum of its proper divisors (28111133069).
123413104243 is a wasteful number, since it uses less digits than its factorization.
123413104243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57475.
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 123413104243 its reverse (342401314321), we get a palindrome (465814418564).
The spelling of 123413104243 in words is "one hundred twenty-three billion, four hundred thirteen million, one hundred four thousand, two hundred forty-three".
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