Base | Representation |
---|---|
bin | 1011110110100001000010… |
… | …1010011000010100111011 |
3 | 1201010202211110020010020010 |
4 | 2331220100222120110323 |
5 | 3202000404320234321 |
6 | 43414242210033003 |
7 | 2513321353063455 |
oct | 275502052302473 |
9 | 51122743203203 |
10 | 13031210321211 |
11 | 4174561559a95 |
12 | 1565651b78763 |
13 | 736ab7a197c4 |
14 | 3309dd0c92d5 |
15 | 178e89689676 |
hex | bda10a9853b |
13031210321211 has 16 divisors (see below), whose sum is σ = 17380270341504. Its totient is φ = 8684812350144.
The previous prime is 13031210321203. The next prime is 13031210321291. The reversal of 13031210321211 is 11212301213031.
It is not a de Polignac number, because 13031210321211 - 23 = 13031210321203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13031210321201) 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, 140638480 + ... + 140731106.
It is an arithmetic number, because the mean of its divisors is an integer number (1086266896344).
Almost surely, 213031210321211 is an apocalyptic number.
13031210321211 is a deficient number, since it is larger than the sum of its proper divisors (4349060020293).
13031210321211 is an equidigital number, since it uses as much as digits as its factorization.
13031210321211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 106490.
The product of its (nonzero) digits is 216, while the sum is 21.
Adding to 13031210321211 its reverse (11212301213031), we get a palindrome (24243511534242).
The spelling of 13031210321211 in words is "thirteen trillion, thirty-one billion, two hundred ten million, three hundred twenty-one thousand, two hundred eleven".
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