Base | Representation |
---|---|
bin | 10001100001011011101… |
… | …111111000001000100111 |
3 | 11021010001220020221211102 |
4 | 101201123233320020213 |
5 | 124212024302321411 |
6 | 2321100355230315 |
7 | 152665316100623 |
oct | 21413357701047 |
9 | 4233056227742 |
10 | 1204130120231 |
11 | 42473a0745a5 |
12 | 1754508a839b |
13 | 8971a16782c |
14 | 423ccc70183 |
15 | 214c75b4d3b |
hex | 1185bbf8227 |
1204130120231 has 32 divisors (see below), whose sum is σ = 1291987424448. Its totient is φ = 1118297456640.
The previous prime is 1204130120209. The next prime is 1204130120261. The reversal of 1204130120231 is 1320210314021.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1204130120231 is a prime.
It is a super-2 number, since 2×12041301202312 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1204130120261) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216684305 + ... + 216689861.
It is an arithmetic number, because the mean of its divisors is an integer number (40374607014).
Almost surely, 21204130120231 is an apocalyptic number.
1204130120231 is a deficient number, since it is larger than the sum of its proper divisors (87857304217).
1204130120231 is a wasteful number, since it uses less digits than its factorization.
1204130120231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6291.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 1204130120231 its reverse (1320210314021), we get a palindrome (2524340434252).
The spelling of 1204130120231 in words is "one trillion, two hundred four billion, one hundred thirty million, one hundred twenty thousand, two hundred thirty-one".
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