Base | Representation |
---|---|
bin | 101101111101011001001100… |
… | …011011110000101100110011 |
3 | 222111200112112020121200102221 |
4 | 231331121030123300230303 |
5 | 202443203324001331011 |
6 | 1553521414215221511 |
7 | 60401325302021635 |
oct | 5575311433605463 |
9 | 874615466550387 |
10 | 202131033230131 |
11 | 59450320793365 |
12 | 1a806422077897 |
13 | 88a2b4a79b245 |
14 | 37cb2a0c9aa55 |
15 | 1857d5a977971 |
hex | b7d64c6f0b33 |
202131033230131 has 16 divisors (see below), whose sum is σ = 215386602028416. Its totient is φ = 189027213613056.
The previous prime is 202131033230069. The next prime is 202131033230141. The reversal of 202131033230131 is 131032330131202.
It is a cyclic number.
It is not a de Polignac number, because 202131033230131 - 213 = 202131033221939 is a prime.
It is a super-2 number, since 2×2021310332301312 (a number of 29 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 = 202131033230096 and 202131033230105.
It is not an unprimeable number, because it can be changed into a prime (202131033230141) 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, 285381430 + ... + 286088836.
It is an arithmetic number, because the mean of its divisors is an integer number (13461662626776).
Almost surely, 2202131033230131 is an apocalyptic number.
202131033230131 is a deficient number, since it is larger than the sum of its proper divisors (13255568798285).
202131033230131 is a wasteful number, since it uses less digits than its factorization.
202131033230131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 814638.
The product of its (nonzero) digits is 1944, while the sum is 25.
Adding to 202131033230131 its reverse (131032330131202), we get a palindrome (333163363361333).
The spelling of 202131033230131 in words is "two hundred two trillion, one hundred thirty-one billion, thirty-three million, two hundred thirty thousand, one hundred thirty-one".
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