Base | Representation |
---|---|
bin | 1101101101101000011100… |
… | …10100001100011110110101 |
3 | 10221202210212010100010120021 |
4 | 12312310032110030132311 |
5 | 12423030330110411440 |
6 | 144045035445005141 |
7 | 6231433051031023 |
oct | 666641624143665 |
9 | 127683763303507 |
10 | 30155205560245 |
11 | 9676829437707 |
12 | 34703453b37b1 |
13 | 13a981530036c |
14 | 76373c22b713 |
15 | 3746158b684a |
hex | 1b6d0e50c7b5 |
30155205560245 has 8 divisors (see below), whose sum is σ = 36186501006720. Its totient is φ = 24123994891920.
The previous prime is 30155205560237. The next prime is 30155205560251. The reversal of 30155205560245 is 54206550255103.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30155205560245 - 23 = 30155205560237 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20409361 + ... + 21836950.
It is an arithmetic number, because the mean of its divisors is an integer number (4523312625840).
Almost surely, 230155205560245 is an apocalyptic number.
It is an amenable number.
30155205560245 is a deficient number, since it is larger than the sum of its proper divisors (6031295446475).
30155205560245 is a wasteful number, since it uses less digits than its factorization.
30155205560245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42389075.
The product of its (nonzero) digits is 900000, while the sum is 43.
The spelling of 30155205560245 in words is "thirty trillion, one hundred fifty-five billion, two hundred five million, five hundred sixty thousand, two hundred forty-five".
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