Base | Representation |
---|---|
bin | 111001010010101001… |
… | …0001110000101101110 |
3 | 102202120022121022110000 |
4 | 1302211102032011232 |
5 | 4003432204214410 |
6 | 132304204525130 |
7 | 11613564414453 |
oct | 1624522160556 |
9 | 382508538400 |
10 | 123032101230 |
11 | 481a5460705 |
12 | 1ba172507a6 |
13 | b7a942b0cc |
14 | 5d51d0782a |
15 | 330128adc0 |
hex | 1ca548e16e |
123032101230 has 80 divisors (see below), whose sum is σ = 335007414720. Its totient is φ = 32393245248.
The previous prime is 123032101111. The next prime is 123032101243. The reversal of 123032101230 is 32101230321.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 897349 + ... + 1025328.
It is an arithmetic number, because the mean of its divisors is an integer number (4187592684).
Almost surely, 2123032101230 is an apocalyptic number.
123032101230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123032101230 is an abundant number, since it is smaller than the sum of its proper divisors (211975313490).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123032101230 is a wasteful number, since it uses less digits than its factorization.
123032101230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1922775 (or 1922766 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 123032101230 its reverse (32101230321), we get a palindrome (155133331551).
The spelling of 123032101230 in words is "one hundred twenty-three billion, thirty-two million, one hundred one thousand, two hundred thirty".
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