Base | Representation |
---|---|
bin | 111001011011111000… |
… | …0111011101100010110 |
3 | 102210100221000000202000 |
4 | 1302313300323230112 |
5 | 4010101042022410 |
6 | 132355042100130 |
7 | 11624350624206 |
oct | 1626760735426 |
9 | 383327000660 |
10 | 123342142230 |
11 | 4834447303a |
12 | 1baa304a646 |
13 | b828733318 |
14 | 5d81172406 |
15 | 331d5cedc0 |
hex | 1cb7c3bb16 |
123342142230 has 32 divisors (see below), whose sum is σ = 328912380000. Its totient is φ = 32891237856.
The previous prime is 123342142223. The next prime is 123342142237. The reversal of 123342142230 is 32241243321.
123342142230 is a `hidden beast` number, since 1 + 2 + 3 + 3 + 421 + 4 + 2 + 230 = 666.
It is an interprime number because it is at equal distance from previous prime (123342142223) and next prime (123342142237).
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 123342142194 and 123342142203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123342142237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228411105 + ... + 228411644.
It is an arithmetic number, because the mean of its divisors is an integer number (10278511875).
Almost surely, 2123342142230 is an apocalyptic number.
123342142230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123342142230 is an abundant number, since it is smaller than the sum of its proper divisors (205570237770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123342142230 is a wasteful number, since it uses less digits than its factorization.
123342142230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456822765 (or 456822759 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 123342142230 its reverse (32241243321), we get a palindrome (155583385551).
The spelling of 123342142230 in words is "one hundred twenty-three billion, three hundred forty-two million, one hundred forty-two thousand, two hundred thirty".
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