Base | Representation |
---|---|
bin | 10110010010010001000… |
… | …000101011001010111101 |
3 | 12102101220202212010201000 |
4 | 112102101000223022331 |
5 | 200042342423334100 |
6 | 3131311232240513 |
7 | 215433353451453 |
oct | 26222100531275 |
9 | 5371822763630 |
10 | 1531441230525 |
11 | 540531717228 |
12 | 2089786a0139 |
13 | b1550264b1b |
14 | 5419d27a9d3 |
15 | 29c827ae900 |
hex | 1649102b2bd |
1531441230525 has 48 divisors (see below), whose sum is σ = 2813984437120. Its totient is φ = 816574089600.
The previous prime is 1531441230469. The next prime is 1531441230559. The reversal of 1531441230525 is 5250321441351.
1531441230525 is a `hidden beast` number, since 1 + 5 + 3 + 1 + 4 + 4 + 123 + 0 + 525 = 666.
It is not a de Polignac number, because 1531441230525 - 28 = 1531441230269 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1531441230525.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2587809 + ... + 3124041.
Almost surely, 21531441230525 is an apocalyptic number.
1531441230525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1531441230525 is a deficient number, since it is larger than the sum of its proper divisors (1282543206595).
1531441230525 is a wasteful number, since it uses less digits than its factorization.
1531441230525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 540483 (or 540472 counting only the distinct ones).
The product of its (nonzero) digits is 72000, while the sum is 36.
Adding to 1531441230525 its reverse (5250321441351), we get a palindrome (6781762671876).
The spelling of 1531441230525 in words is "one trillion, five hundred thirty-one billion, four hundred forty-one million, two hundred thirty thousand, five hundred twenty-five".
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