Base | Representation |
---|---|
bin | 10010000110110001111… |
… | …010000010101011110011 |
3 | 11101221120112212201211102 |
4 | 102012301322002223303 |
5 | 130341140431043443 |
6 | 2351331434035015 |
7 | 155615121212513 |
oct | 22066172025363 |
9 | 4357515781742 |
10 | 1244230331123 |
11 | 43a74764855a |
12 | 181182278a6b |
13 | 9043ac05880 |
14 | 44314885843 |
15 | 22572c93cb8 |
hex | 121b1e82af3 |
1244230331123 has 16 divisors (see below), whose sum is σ = 1378315178016. Its totient is φ = 1116081296640.
The previous prime is 1244230331101. The next prime is 1244230331161. The reversal of 1244230331123 is 3211330324421.
It is a cyclic number.
It is not a de Polignac number, because 1244230331123 - 214 = 1244230314739 is a prime.
It is a super-2 number, since 2×12442303311232 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1244230333123) 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, 9386090 + ... + 9517727.
It is an arithmetic number, because the mean of its divisors is an integer number (86144698626).
Almost surely, 21244230331123 is an apocalyptic number.
1244230331123 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1244230331123 is a deficient number, since it is larger than the sum of its proper divisors (134084846893).
1244230331123 is a wasteful number, since it uses less digits than its factorization.
1244230331123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18903974.
The product of its (nonzero) digits is 10368, while the sum is 29.
Adding to 1244230331123 its reverse (3211330324421), we get a palindrome (4455560655544).
The spelling of 1244230331123 in words is "one trillion, two hundred forty-four billion, two hundred thirty million, three hundred thirty-one thousand, one hundred twenty-three".
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