Base | Representation |
---|---|
bin | 1101101111000000000000… |
… | …10100010010110100101110 |
3 | 10221221022012022112122122011 |
4 | 12313200000110102310232 |
5 | 12424313114112023304 |
6 | 144122412311511434 |
7 | 6235016023434265 |
oct | 667400024226456 |
9 | 127838168478564 |
10 | 30202215345454 |
11 | 9694762213069 |
12 | 347948498857a |
13 | 13b1097703709 |
14 | 765b1b7815dc |
15 | 37596799bc04 |
hex | 1b7800512d2e |
30202215345454 has 8 divisors (see below), whose sum is σ = 45370638507600. Its totient is φ = 15078669176256.
The previous prime is 30202215345317. The next prime is 30202215345499. The reversal of 30202215345454 is 45454351220203.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×302022153454542 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 11219246554 + ... + 11219249245.
It is an arithmetic number, because the mean of its divisors is an integer number (5671329813450).
Almost surely, 230202215345454 is an apocalyptic number.
30202215345454 is a deficient number, since it is larger than the sum of its proper divisors (15168423162146).
30202215345454 is a wasteful number, since it uses less digits than its factorization.
30202215345454 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22438496474.
The product of its (nonzero) digits is 576000, while the sum is 40.
Adding to 30202215345454 its reverse (45454351220203), we get a palindrome (75656566565657).
The spelling of 30202215345454 in words is "thirty trillion, two hundred two billion, two hundred fifteen million, three hundred forty-five thousand, four hundred fifty-four".
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