Base | Representation |
---|---|
bin | 10001111010001001000… |
… | …101011010101101001011 |
3 | 11100122112211221012020100 |
4 | 101322021011122231023 |
5 | 130130343044422410 |
6 | 2341205130300443 |
7 | 154624626016053 |
oct | 21721105325513 |
9 | 4318484835210 |
10 | 1230660545355 |
11 | 434a1388167a |
12 | 17a615887723 |
13 | 8c087786937 |
14 | 437c859a563 |
15 | 2202b7e18c0 |
hex | 11e8915ab4b |
1230660545355 has 24 divisors (see below), whose sum is σ = 2162366114688. Its totient is φ = 647361161856.
The previous prime is 1230660545351. The next prime is 1230660545357. The reversal of 1230660545355 is 5535450660321.
1230660545355 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 6 + 60 + 54 + 535 + 5 = 666.
It is not a de Polignac number, because 1230660545355 - 22 = 1230660545351 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 1230660545355.
It is not an unprimeable number, because it can be changed into a prime (1230660545351) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187311867 + ... + 187318436.
It is an arithmetic number, because the mean of its divisors is an integer number (90098588112).
Almost surely, 21230660545355 is an apocalyptic number.
1230660545355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1230660545355 is a deficient number, since it is larger than the sum of its proper divisors (931705569333).
1230660545355 is a wasteful number, since it uses less digits than its factorization.
1230660545355 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374630387 (or 374630384 counting only the distinct ones).
The product of its (nonzero) digits is 1620000, while the sum is 45.
The spelling of 1230660545355 in words is "one trillion, two hundred thirty billion, six hundred sixty million, five hundred forty-five thousand, three hundred fifty-five".
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