Base | Representation |
---|---|
bin | 1101110010100010101000… |
… | …01100011001001100111100 |
3 | 10222100221020110011001012102 |
4 | 12321101110030121030330 |
5 | 12433311302200113420 |
6 | 144254333210524232 |
7 | 6246554025061406 |
oct | 671212414311474 |
9 | 128327213131172 |
10 | 30323881644860 |
11 | 9731316712631 |
12 | 3498b7a736678 |
13 | 13bc6b6b97b5b |
14 | 76b980119b76 |
15 | 378bd8d9aa75 |
hex | 1b945431933c |
30323881644860 has 24 divisors (see below), whose sum is σ = 65401236630240. Its totient is φ = 11801726910144.
The previous prime is 30323881644811. The next prime is 30323881644913. The reversal of 30323881644860 is 6844618832303.
It is a super-2 number, since 2×303238816448602 (a number of 28 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 30323881644796 and 30323881644805.
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, 20489108480 + ... + 20489109959.
It is an arithmetic number, because the mean of its divisors is an integer number (2725051526260).
Almost surely, 230323881644860 is an apocalyptic number.
It is an amenable number.
30323881644860 is an abundant number, since it is smaller than the sum of its proper divisors (35077354985380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30323881644860 is a wasteful number, since it uses less digits than its factorization.
30323881644860 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40978218485 (or 40978218483 counting only the distinct ones).
The product of its (nonzero) digits is 15925248, while the sum is 56.
The spelling of 30323881644860 in words is "thirty trillion, three hundred twenty-three billion, eight hundred eighty-one million, six hundred forty-four thousand, eight hundred sixty".
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