Base | Representation |
---|---|
bin | 111001011010101110… |
… | …0000111010001110110 |
3 | 102210021012121000100010 |
4 | 1302311130013101312 |
5 | 4010011100131410 |
6 | 132351130001050 |
7 | 11623365212460 |
oct | 1626534072166 |
9 | 383235530303 |
10 | 123303130230 |
11 | 48324447815 |
12 | 1ba91b76186 |
13 | b8206243b7 |
14 | 5d79cd9130 |
15 | 3319e75c20 |
hex | 1cb5707476 |
123303130230 has 64 divisors (see below), whose sum is σ = 349112659968. Its totient is φ = 27274423680.
The previous prime is 123303130187. The next prime is 123303130273. The reversal of 123303130230 is 32031303321.
It is an interprime number because it is at equal distance from previous prime (123303130187) and next prime (123303130273).
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 123303130197 and 123303130206.
It is a congruent number.
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, 9463777 + ... + 9476796.
It is an arithmetic number, because the mean of its divisors is an integer number (5454885312).
Almost surely, 2123303130230 is an apocalyptic number.
123303130230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123303130230 is an abundant number, since it is smaller than the sum of its proper divisors (225809529738).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123303130230 is a wasteful number, since it uses less digits than its factorization.
123303130230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18940621.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 123303130230 its reverse (32031303321), we get a palindrome (155334433551).
The spelling of 123303130230 in words is "one hundred twenty-three billion, three hundred three million, one hundred thirty thousand, two hundred thirty".
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