Base | Representation |
---|---|
bin | 111001010001110001… |
… | …1010100110111110110 |
3 | 102202111021220101121221 |
4 | 1302203203110313312 |
5 | 4003402233443110 |
6 | 132301245500554 |
7 | 11613062340625 |
oct | 1624343246766 |
9 | 382437811557 |
10 | 123003031030 |
11 | 48190005850 |
12 | 1ba0957175a |
13 | b7a33c03c9 |
14 | 5d4c0db6bc |
15 | 32ed9477da |
hex | 1ca38d4df6 |
123003031030 has 32 divisors (see below), whose sum is σ = 241575851520. Its totient is φ = 44720481120.
The previous prime is 123003031027. The next prime is 123003031043. The reversal of 123003031030 is 30130300321.
It is a junction number, because it is equal to n+sod(n) for n = 123003030995 and 123003031013.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546537 + ... + 738043.
It is an arithmetic number, because the mean of its divisors is an integer number (7549245360).
Almost surely, 2123003031030 is an apocalyptic number.
123003031030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123003031030 is a deficient number, since it is larger than the sum of its proper divisors (118572820490).
123003031030 is a wasteful number, since it uses less digits than its factorization.
123003031030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197364.
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 123003031030 its reverse (30130300321), we get a palindrome (153133331351).
The spelling of 123003031030 in words is "one hundred twenty-three billion, three million, thirty-one thousand, thirty".
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