Base | Representation |
---|---|
bin | 1110000011000001101011… |
… | …01110110000000010000111 |
3 | 11001101002021112221211210021 |
4 | 13001200311232300002013 |
5 | 13022101321344200042 |
6 | 145410451043440011 |
7 | 6335515404515530 |
oct | 701406556600207 |
9 | 131332245854707 |
10 | 30890306240647 |
11 | 992a561622a87 |
12 | 356a8b9086007 |
13 | 1430c357b2379 |
14 | 78b155169687 |
15 | 3887db28a867 |
hex | 1c1835bb0087 |
30890306240647 has 16 divisors (see below), whose sum is σ = 37315466848000. Its totient is φ = 24979775276160.
The previous prime is 30890306240579. The next prime is 30890306240663. The reversal of 30890306240647 is 74604260309803.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 30890306240647 - 243 = 22094213218439 is a prime.
It is a super-2 number, since 2×308903062406472 (a number of 28 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 = 30890306240594 and 30890306240603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30890306241647) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481830897 + ... + 481895002.
It is an arithmetic number, because the mean of its divisors is an integer number (2332216678000).
Almost surely, 230890306240647 is an apocalyptic number.
30890306240647 is a deficient number, since it is larger than the sum of its proper divisors (6425160607353).
30890306240647 is a wasteful number, since it uses less digits than its factorization.
30890306240647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 963726166.
The product of its (nonzero) digits is 5225472, while the sum is 52.
The spelling of 30890306240647 in words is "thirty trillion, eight hundred ninety billion, three hundred six million, two hundred forty thousand, six hundred forty-seven".
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