Base | Representation |
---|---|
bin | 10001111010101111011… |
… | …000010001011010000010 |
3 | 11100201012121212101210102 |
4 | 101322233120101122002 |
5 | 130133202033202320 |
6 | 2341353001002402 |
7 | 154646560000322 |
oct | 21725730213202 |
9 | 4321177771712 |
10 | 1231303022210 |
11 | 435213501a88 |
12 | 17a774a83402 |
13 | 8c15a905561 |
14 | 43849a3d282 |
15 | 22067e00175 |
hex | 11eaf611682 |
1231303022210 has 32 divisors (see below), whose sum is σ = 2224584552960. Its totient is φ = 490691768832.
The previous prime is 1231303022167. The next prime is 1231303022239. The reversal of 1231303022210 is 122203031321.
It is a super-2 number, since 2×12313030222102 (a number of 25 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6684626 + ... + 6866354.
It is an arithmetic number, because the mean of its divisors is an integer number (69518267280).
Almost surely, 21231303022210 is an apocalyptic number.
1231303022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1231303022210 is a deficient number, since it is larger than the sum of its proper divisors (993281530750).
1231303022210 is a wasteful number, since it uses less digits than its factorization.
1231303022210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 184250.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 1231303022210 its reverse (122203031321), we get a palindrome (1353506053531).
The spelling of 1231303022210 in words is "one trillion, two hundred thirty-one billion, three hundred three million, twenty-two thousand, two hundred ten".
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