Base | Representation |
---|---|
bin | 111001010001110000… |
… | …0111101110011000111 |
3 | 102202111020201221210110 |
4 | 1302203200331303013 |
5 | 4003402104142411 |
6 | 132301224324103 |
7 | 11613054152556 |
oct | 1624340756307 |
9 | 382436657713 |
10 | 123002412231 |
11 | 4818a722946 |
12 | 1ba09313633 |
13 | b7a323485a |
14 | 5d4bdb9d9d |
15 | 32ed8742a6 |
hex | 1ca383dcc7 |
123002412231 has 16 divisors (see below), whose sum is σ = 166380381440. Its totient is φ = 80820573120.
The previous prime is 123002412227. The next prime is 123002412251. The reversal of 123002412231 is 132214200321.
It is not a de Polignac number, because 123002412231 - 22 = 123002412227 is a prime.
It is a super-2 number, since 2×1230024122312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123002412198 and 123002412207.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123002412251) 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, 878086 + ... + 1008483.
It is an arithmetic number, because the mean of its divisors is an integer number (10398773840).
Almost surely, 2123002412231 is an apocalyptic number.
123002412231 is a deficient number, since it is larger than the sum of its proper divisors (43377969209).
123002412231 is a wasteful number, since it uses less digits than its factorization.
123002412231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1886886.
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 123002412231 its reverse (132214200321), we get a palindrome (255216612552).
The spelling of 123002412231 in words is "one hundred twenty-three billion, two million, four hundred twelve thousand, two hundred thirty-one".
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