Base | Representation |
---|---|
bin | 111001011000100100… |
… | …1000100110000011101 |
3 | 102210002011220221211101 |
4 | 1302301021010300131 |
5 | 4004334120432201 |
6 | 132340032353101 |
7 | 11621531321551 |
oct | 1626111046035 |
9 | 383064827741 |
10 | 123231030301 |
11 | 48297781aa5 |
12 | 1ba719a5791 |
13 | b80b6cbb12 |
14 | 5d704cb861 |
15 | 3313982d01 |
hex | 1cb1244c1d |
123231030301 has 4 divisors (see below), whose sum is σ = 123234329632. Its totient is φ = 123227730972.
The previous prime is 123231030277. The next prime is 123231030313. The reversal of 123231030301 is 103030132321.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 123231030301 - 25 = 123231030269 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123231030331) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1592991 + ... + 1668556.
It is an arithmetic number, because the mean of its divisors is an integer number (30808582408).
Almost surely, 2123231030301 is an apocalyptic number.
It is an amenable number.
123231030301 is a deficient number, since it is larger than the sum of its proper divisors (3299331).
123231030301 is an equidigital number, since it uses as much as digits as its factorization.
123231030301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3299330.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 123231030301 its reverse (103030132321), we get a palindrome (226261162622).
The spelling of 123231030301 in words is "one hundred twenty-three billion, two hundred thirty-one million, thirty thousand, three hundred one".
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