Base | Representation |
---|---|
bin | 1101101111100011010001… |
… | …01001101110011101011100 |
3 | 10222000010001121021102212020 |
4 | 12313301220221232131130 |
5 | 12430120401242211244 |
6 | 144135222550140140 |
7 | 6236256106456350 |
oct | 667615051563534 |
9 | 128003047242766 |
10 | 30221145663324 |
11 | 96a1796955070 |
12 | 3481088651650 |
13 | 13b2ac35b4235 |
14 | 7669d597b460 |
15 | 3761c486ed19 |
hex | 1b7c68a6e75c |
30221145663324 has 192 divisors, whose sum is σ = 89249552179200. Its totient is φ = 7730642430720.
The previous prime is 30221145663271. The next prime is 30221145663341. The reversal of 30221145663324 is 42336654112203.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 269181769 + ... + 269294015.
It is an arithmetic number, because the mean of its divisors is an integer number (464841417600).
Almost surely, 230221145663324 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30221145663324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44624776089600).
30221145663324 is an abundant number, since it is smaller than the sum of its proper divisors (59028406515876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30221145663324 is a wasteful number, since it uses less digits than its factorization.
30221145663324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116688 (or 116686 counting only the distinct ones).
The product of its (nonzero) digits is 622080, while the sum is 42.
Adding to 30221145663324 its reverse (42336654112203), we get a palindrome (72557799775527).
The spelling of 30221145663324 in words is "thirty trillion, two hundred twenty-one billion, one hundred forty-five million, six hundred sixty-three thousand, three hundred twenty-four".
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