Base | Representation |
---|---|
bin | 10001111010011111000… |
… | …110110100100110001101 |
3 | 11100200111121011001121022 |
4 | 101322133012310212031 |
5 | 130132122140343201 |
6 | 2341305525243525 |
7 | 154640033312135 |
oct | 21723706644615 |
9 | 4320447131538 |
10 | 1231030012301 |
11 | 435093392661 |
12 | 17a6b95635a5 |
13 | 8c11619772b |
14 | 43821693ac5 |
15 | 2204de7341b |
hex | 11e9f1b498d |
1231030012301 has 16 divisors (see below), whose sum is σ = 1340618040000. Its totient is φ = 1125928492416.
The previous prime is 1231030012229. The next prime is 1231030012343. The reversal of 1231030012301 is 1032100301321.
It is a cyclic number.
It is not a de Polignac number, because 1231030012301 - 222 = 1231025817997 is a prime.
It is a super-2 number, since 2×12310300123012 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1231030012301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1231030012351) 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, 6886865 + ... + 7063353.
It is an arithmetic number, because the mean of its divisors is an integer number (83788627500).
Almost surely, 21231030012301 is an apocalyptic number.
It is an amenable number.
1231030012301 is a deficient number, since it is larger than the sum of its proper divisors (109588027699).
1231030012301 is a wasteful number, since it uses less digits than its factorization.
1231030012301 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 189196.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 1231030012301 its reverse (1032100301321), we get a palindrome (2263130313622).
The spelling of 1231030012301 in words is "one trillion, two hundred thirty-one billion, thirty million, twelve thousand, three hundred one".
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