Base | Representation |
---|---|
bin | 111001010100101110… |
… | …1101100111011101010 |
3 | 102202202012112201022212 |
4 | 1302221131230323222 |
5 | 4004103132020020 |
6 | 132315151445122 |
7 | 11615405414420 |
oct | 1625135547352 |
9 | 382665481285 |
10 | 123102220010 |
11 | 48230aa2a10 |
12 | 1ba368267a2 |
13 | b7bab0ba03 |
14 | 5d5b35b110 |
15 | 33074dbcc5 |
hex | 1ca976ceea |
123102220010 has 64 divisors (see below), whose sum is σ = 277160970240. Its totient is φ = 38244467520.
The previous prime is 123102219997. The next prime is 123102220039. The reversal of 123102220010 is 10022201321.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23990 + ... + 496769.
It is an arithmetic number, because the mean of its divisors is an integer number (4330640160).
Almost surely, 2123102220010 is an apocalyptic number.
123102220010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123102220010 is an abundant number, since it is smaller than the sum of its proper divisors (154058750230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123102220010 is a wasteful number, since it uses less digits than its factorization.
123102220010 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 521091.
The product of its (nonzero) digits is 48, while the sum is 14.
Adding to 123102220010 its reverse (10022201321), we get a palindrome (133124421331).
The spelling of 123102220010 in words is "one hundred twenty-three billion, one hundred two million, two hundred twenty thousand, ten".
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