Base | Representation |
---|---|
bin | 10001111010011110101… |
… | …100001111011000101101 |
3 | 11100200111010001001002022 |
4 | 101322132230033120231 |
5 | 130132113344403031 |
6 | 2341305120035525 |
7 | 154636620140612 |
oct | 21723654173055 |
9 | 4320433031068 |
10 | 1231023044141 |
11 | 43508a463350 |
12 | 17a6b7162ba5 |
13 | 8c1148c7b67 |
14 | 4382079c509 |
15 | 2204d54897b |
hex | 11e9eb0f62d |
1231023044141 has 64 divisors (see below), whose sum is σ = 1414560153600. Its totient is φ = 1061561592000.
The previous prime is 1231023044137. The next prime is 1231023044143. The reversal of 1231023044141 is 1414403201321.
It is a cyclic number.
It is not a de Polignac number, because 1231023044141 - 22 = 1231023044137 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1231023044141.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231023044143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 603737600 + ... + 603739638.
It is an arithmetic number, because the mean of its divisors is an integer number (22102502400).
Almost surely, 21231023044141 is an apocalyptic number.
1231023044141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1231023044141 is a deficient number, since it is larger than the sum of its proper divisors (183537109459).
1231023044141 is a wasteful number, since it uses less digits than its factorization.
1231023044141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2430.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 1231023044141 its reverse (1414403201321), we get a palindrome (2645426245462).
The spelling of 1231023044141 in words is "one trillion, two hundred thirty-one billion, twenty-three million, forty-four thousand, one hundred forty-one".
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