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30386439120906 = 232111091407952883
BaseRepresentation
bin1101110100010111001001…
…11010001110100000001010
310222120220201012002002112200
412322023210322032200022
512440322411403332111
6144343200514421030
76254230200620451
oct672134472164012
9128526635062480
1030386439120906
1197558a8790260
1234a9118b91776
1313c557642967b
147709d6501b98
1537a64adce256
hex1ba2e4e8e80a

30386439120906 has 48 divisors (see below), whose sum is σ = 72481414468320. Its totient is φ = 9123534675360.

The previous prime is 30386439120889. The next prime is 30386439120929. The reversal of 30386439120906 is 60902193468303.

30386439120906 is a `hidden beast` number, since 3 + 0 + 3 + 86 + 439 + 120 + 9 + 0 + 6 = 666.

It is a super-3 number, since 3×303864391209063 (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 703954860 + ... + 703998023.

It is an arithmetic number, because the mean of its divisors is an integer number (1510029468090).

Almost surely, 230386439120906 is an apocalyptic number.

30386439120906 is an abundant number, since it is smaller than the sum of its proper divisors (42094975347414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30386439120906 is a wasteful number, since it uses less digits than its factorization.

30386439120906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1407953011 (or 1407953008 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 30386439120906 in words is "thirty trillion, three hundred eighty-six billion, four hundred thirty-nine million, one hundred twenty thousand, nine hundred six".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 109 198 218 327 654 981 1199 1962 2398 3597 7194 10791 21582 1407952883 2815905766 4223858649 8447717298 12671575947 15487481713 25343151894 30974963426 46462445139 92924890278 139387335417 153466864247 278774670834 306933728494 460400592741 920801185482 1381201778223 1688135506717 2762403556446 3376271013434 5064406520151 10128813040302 15193219560453 30386439120906