Base | Representation |
---|---|
bin | 111001010101100111… |
… | …1010110011001000101 |
3 | 102202211021121022101122 |
4 | 1302223033112121011 |
5 | 4004133243341401 |
6 | 132322134203325 |
7 | 11616216556010 |
oct | 1625317263105 |
9 | 382737538348 |
10 | 123132012101 |
11 | 482468a117a |
12 | 1ba447b3545 |
13 | b7c4040177 |
14 | 5d612b4377 |
15 | 3309e2421b |
hex | 1cab3d6645 |
123132012101 has 8 divisors (see below), whose sum is σ = 140775243840. Its totient is φ = 105502016448.
The previous prime is 123132012097. The next prime is 123132012127. The reversal of 123132012101 is 101210231321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123132012101 - 22 = 123132012097 is a prime.
It is a super-2 number, since 2×1231320121012 (a number of 23 digits) contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 123132012101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123132012191) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3289076 + ... + 3326301.
It is an arithmetic number, because the mean of its divisors is an integer number (17596905480).
Almost surely, 2123132012101 is an apocalyptic number.
It is an amenable number.
123132012101 is a deficient number, since it is larger than the sum of its proper divisors (17643231739).
123132012101 is an equidigital number, since it uses as much as digits as its factorization.
123132012101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6618043.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 123132012101 its reverse (101210231321), we get a palindrome (224342243422).
It can be divided in two parts, 1231320 and 12101, that added together give a palindrome (1243421).
The spelling of 123132012101 in words is "one hundred twenty-three billion, one hundred thirty-two million, twelve thousand, one hundred one".
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