Base | Representation |
---|---|
bin | 111001011000100100… |
… | …1110011110110100001 |
3 | 102210002012021202102211 |
4 | 1302301021303312201 |
5 | 4004334143120301 |
6 | 132340040442121 |
7 | 11621533054132 |
oct | 1626111636641 |
9 | 383065252384 |
10 | 123231223201 |
11 | 482978a3a19 |
12 | 1ba71a79341 |
13 | b80b768868 |
14 | 5d7053bc89 |
15 | 33139c0051 |
hex | 1cb1273da1 |
123231223201 has 8 divisors (see below), whose sum is σ = 124991140608. Its totient is φ = 121471980000.
The previous prime is 123231223189. The next prime is 123231223217. The reversal of 123231223201 is 102322132321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-123231223201 is a prime.
It is a super-2 number, since 2×1232312232012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123231223261) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205501 + ... + 537301.
It is an arithmetic number, because the mean of its divisors is an integer number (15623892576).
Almost surely, 2123231223201 is an apocalyptic number.
It is an amenable number.
123231223201 is a deficient number, since it is larger than the sum of its proper divisors (1759917407).
123231223201 is an equidigital number, since it uses as much as digits as its factorization.
123231223201 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 337103.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 123231223201 its reverse (102322132321), we get a palindrome (225553355522).
The spelling of 123231223201 in words is "one hundred twenty-three billion, two hundred thirty-one million, two hundred twenty-three thousand, two hundred one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •