Base | Representation |
---|---|
bin | 10001111010101011001… |
… | …010011111010001000111 |
3 | 11100201000200210100022010 |
4 | 101322223022133101013 |
5 | 130133030432100403 |
6 | 2341341553105303 |
7 | 154645040605401 |
oct | 21725312372107 |
9 | 4321020710263 |
10 | 1231232300103 |
11 | 435187598463 |
12 | 17a755258233 |
13 | 8c149073160 |
14 | 438404adb71 |
15 | 22061ad0603 |
hex | 11eab29f447 |
1231232300103 has 8 divisors (see below), whose sum is σ = 1767923302768. Its totient is φ = 757681415424.
The previous prime is 1231232300063. The next prime is 1231232300117. The reversal of 1231232300103 is 3010032321321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1231232300103 - 222 = 1231228105799 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1231232300103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231232300143) 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, 15785029450 + ... + 15785029527.
It is an arithmetic number, because the mean of its divisors is an integer number (220990412846).
Almost surely, 21231232300103 is an apocalyptic number.
1231232300103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
1231232300103 is a deficient number, since it is larger than the sum of its proper divisors (536691002665).
1231232300103 is a wasteful number, since it uses less digits than its factorization.
1231232300103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31570058993.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 1231232300103 its reverse (3010032321321), we get a palindrome (4241264621424).
The spelling of 1231232300103 in words is "one trillion, two hundred thirty-one billion, two hundred thirty-two million, three hundred thousand, one hundred three".
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