Base | Representation |
---|---|
bin | 111001011110100010… |
… | …1100101011100110110 |
3 | 102210121011000221022102 |
4 | 1302331011211130312 |
5 | 4010241422122410 |
6 | 132411552102102 |
7 | 11626513643105 |
oct | 1627505453466 |
9 | 383534027272 |
10 | 123431442230 |
11 | 4838a916498 |
12 | 1bb08b34932 |
13 | b84109b765 |
14 | 5d8cd7a03c |
15 | 332636e2a5 |
hex | 1cbd165736 |
123431442230 has 16 divisors (see below), whose sum is σ = 224853423984. Its totient is φ = 48777726240.
The previous prime is 123431442229. The next prime is 123431442247. The reversal of 123431442230 is 32244134321.
123431442230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 123431442193 and 123431442202.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74355461 + ... + 74357120.
It is an arithmetic number, because the mean of its divisors is an integer number (14053338999).
Almost surely, 2123431442230 is an apocalyptic number.
123431442230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123431442230 is a deficient number, since it is larger than the sum of its proper divisors (101421981754).
123431442230 is a wasteful number, since it uses less digits than its factorization.
123431442230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148712671.
The product of its (nonzero) digits is 13824, while the sum is 29.
Adding to 123431442230 its reverse (32244134321), we get a palindrome (155675576551).
The spelling of 123431442230 in words is "one hundred twenty-three billion, four hundred thirty-one million, four hundred forty-two thousand, two hundred thirty".
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