Base | Representation |
---|---|
bin | 1101111001001110100101… |
… | …10111100000100110001101 |
3 | 11000011220021201022002010200 |
4 | 12330213102313200212031 |
5 | 13001042323334040440 |
6 | 144552052024524113 |
7 | 6302266454066052 |
oct | 674472267404615 |
9 | 130156251262120 |
10 | 30553640143245 |
11 | 980a7a936904a |
12 | 3515600320639 |
13 | 140827152394b |
14 | 778b3853d029 |
15 | 37eb84b42c30 |
hex | 1bc9d2de098d |
30553640143245 has 12 divisors (see below), whose sum is σ = 52959642915036. Its totient is φ = 16295274743040.
The previous prime is 30553640143237. The next prime is 30553640143307. The reversal of 30553640143245 is 54234104635503.
30553640143245 is a `hidden beast` number, since 3 + 0 + 5 + 5 + 364 + 0 + 1 + 43 + 245 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 13471645299876 + 17081994843369 = 3670374^2 + 4133037^2 .
It is not a de Polignac number, because 30553640143245 - 23 = 30553640143237 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 678969780961 = 30553640143245 / (3 + 0 + 5 + 5 + 3 + 6 + 4 + 0 + 1 + 4 + 3 + 2 + 4 + 5).
It is a self number, because there is not a number n which added to its sum of digits gives 30553640143245.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 339484890436 + ... + 339484890525.
It is an arithmetic number, because the mean of its divisors is an integer number (4413303576253).
Almost surely, 230553640143245 is an apocalyptic number.
It is an amenable number.
30553640143245 is a deficient number, since it is larger than the sum of its proper divisors (22406002771791).
30553640143245 is a wasteful number, since it uses less digits than its factorization.
30553640143245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 678969780972 (or 678969780969 counting only the distinct ones).
The product of its (nonzero) digits is 2592000, while the sum is 45.
Adding to 30553640143245 its reverse (54234104635503), we get a palindrome (84787744778748).
The spelling of 30553640143245 in words is "thirty trillion, five hundred fifty-three billion, six hundred forty million, one hundred forty-three thousand, two hundred forty-five".
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