Base | Representation |
---|---|
bin | 111001010001110000… |
… | …0101010000010111001 |
3 | 102202111020120211210210 |
4 | 1302203200222002321 |
5 | 4003402044100241 |
6 | 132301222501333 |
7 | 11613053364642 |
oct | 1624340520271 |
9 | 382436524723 |
10 | 123002331321 |
11 | 4818a678081 |
12 | 1ba09294849 |
13 | b7a3206a8c |
14 | 5d4bd986c9 |
15 | 32ed85a316 |
hex | 1ca382a0b9 |
123002331321 has 16 divisors (see below), whose sum is σ = 171196874048. Its totient is φ = 78477336000.
The previous prime is 123002331311. The next prime is 123002331323. The reversal of 123002331321 is 123133200321.
It is not a de Polignac number, because 123002331321 - 211 = 123002329273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123002331323) 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, 9076255 + ... + 9089796.
It is an arithmetic number, because the mean of its divisors is an integer number (10699804628).
Almost surely, 2123002331321 is an apocalyptic number.
It is an amenable number.
123002331321 is a deficient number, since it is larger than the sum of its proper divisors (48194542727).
123002331321 is a wasteful number, since it uses less digits than its factorization.
123002331321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18166152.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 123002331321 its reverse (123133200321), we get a palindrome (246135531642).
The spelling of 123002331321 in words is "one hundred twenty-three billion, two million, three hundred thirty-one thousand, three hundred twenty-one".
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