Base | Representation |
---|---|
bin | 111001100001110110… |
… | …0111110000100110000 |
3 | 102210212212212200220120 |
4 | 1303003230332010300 |
5 | 4011003330230000 |
6 | 132430555010240 |
7 | 11632332220443 |
oct | 1630354760460 |
9 | 383785780816 |
10 | 123542430000 |
11 | 48437532220 |
12 | 1bb3a139980 |
13 | b85b08b5b2 |
14 | 5d9d9cb65a |
15 | 3330e946a0 |
hex | 1cc3b3e130 |
123542430000 has 800 divisors, whose sum is σ = 466227159552. Its totient is φ = 27878400000.
The previous prime is 123542429951. The next prime is 123542430019. The reversal of 123542430000 is 34245321.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is an unprimeable number.
It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 311189802 + ... + 311190198.
Almost surely, 2123542430000 is an apocalyptic number.
123542430000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 123542430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233113579776).
123542430000 is an abundant number, since it is smaller than the sum of its proper divisors (342684729552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123542430000 is a wasteful number, since it uses less digits than its factorization.
123542430000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 503 (or 482 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
Adding to 123542430000 its reverse (34245321), we get a palindrome (123576675321).
It can be divided in two parts, 123 and 542430000, that multiplied together give a square (66718890000 = 2583002).
The spelling of 123542430000 in words is "one hundred twenty-three billion, five hundred forty-two million, four hundred thirty thousand".
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