Base | Representation |
---|---|
bin | 111001010101010000… |
… | …1111010111110010000 |
3 | 102202210110012021121101 |
4 | 1302222201322332100 |
5 | 4004122221301222 |
6 | 132321031034144 |
7 | 11616013416343 |
oct | 1625241727620 |
9 | 382713167541 |
10 | 123120103312 |
11 | 482400a79a8 |
12 | 1ba4080b954 |
13 | b7c173084b |
14 | 5d5d89445a |
15 | 3308d70927 |
hex | 1caa87af90 |
123120103312 has 10 divisors (see below), whose sum is σ = 238545200198. Its totient is φ = 61560051648.
The previous prime is 123120103307. The next prime is 123120103339. The reversal of 123120103312 is 213301021321.
It can be written as a sum of positive squares in only one way, i.e., 106174312336 + 16945790976 = 325844^2 + 130176^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 123120103312.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3847503213 + ... + 3847503244.
Almost surely, 2123120103312 is an apocalyptic number.
It is an amenable number.
123120103312 is a deficient number, since it is larger than the sum of its proper divisors (115425096886).
123120103312 is an equidigital number, since it uses as much as digits as its factorization.
123120103312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7695006465 (or 7695006459 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 123120103312 its reverse (213301021321), we get a palindrome (336421124633).
The spelling of 123120103312 in words is "one hundred twenty-three billion, one hundred twenty million, one hundred three thousand, three hundred twelve".
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