Base | Representation |
---|---|
bin | 10100011011111110100… |
… | …111111010001010101111 |
3 | 11222021002020002202021102 |
4 | 110123332213322022233 |
5 | 141002233342310411 |
6 | 2553104202553315 |
7 | 203316054226034 |
oct | 24337647721257 |
9 | 4867066082242 |
10 | 1404431213231 |
11 | 4a1685896392 |
12 | 1a823120883b |
13 | a258b978137 |
14 | 4bd90d2b38b |
15 | 267ec1b1d3b |
hex | 146fe9fa2af |
1404431213231 has 8 divisors (see below), whose sum is σ = 1404960076800. Its totient is φ = 1403902445112.
The previous prime is 1404431213219. The next prime is 1404431213333. The reversal of 1404431213231 is 1323121344041.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1404431213231 - 210 = 1404431212207 is a prime.
It is a super-2 number, since 2×14044312132312 (a number of 25 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 = 1404431213194 and 1404431213203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1404431212231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42563966 + ... + 42596948.
It is an arithmetic number, because the mean of its divisors is an integer number (175620009600).
Almost surely, 21404431213231 is an apocalyptic number.
1404431213231 is a deficient number, since it is larger than the sum of its proper divisors (528863569).
1404431213231 is a wasteful number, since it uses less digits than its factorization.
1404431213231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47725.
The product of its (nonzero) digits is 6912, while the sum is 29.
Adding to 1404431213231 its reverse (1323121344041), we get a palindrome (2727552557272).
The spelling of 1404431213231 in words is "one trillion, four hundred four billion, four hundred thirty-one million, two hundred thirteen thousand, two hundred thirty-one".
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