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30042130312 = 231732926357
BaseRepresentation
bin11011111110101001…
…101000011110001000
32212112200120100022001
4123332221220132020
5443011241132222
621445015040344
72112320615515
oct337651503610
985480510261
1030042130312
1111816aaa177
1259a50700b4
132aaa02648c
14164dc9430c
15bac69be27
hex6fea68788

30042130312 has 64 divisors (see below), whose sum is σ = 61914942000. Its totient is φ = 13649456128.

The previous prime is 30042130301. The next prime is 30042130331. The reversal of 30042130312 is 21303124003.

It can be written as a sum of positive squares in 8 ways, for example, as 15102935236 + 14939195076 = 122894^2 + 122226^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30042130312.

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 15 ways as a sum of consecutive naturals, for example, 1126638 + ... + 1152994.

Almost surely, 230042130312 is an apocalyptic number.

It is an amenable number.

30042130312 is an abundant number, since it is smaller than the sum of its proper divisors (31872811688).

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

30042130312 is a wasteful number, since it uses less digits than its factorization.

30042130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26443 (or 26405 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30042130312 its reverse (21303124003), we get a palindrome (51345254315).

The spelling of 30042130312 in words is "thirty billion, forty-two million, one hundred thirty thousand, three hundred twelve".

Divisors: 1 2 4 8 17 29 34 58 68 116 136 232 289 493 578 986 1156 1972 2312 3944 4913 8381 9826 16762 19652 26357 33524 39304 52714 67048 105428 142477 210856 284954 448069 569908 764353 896138 1139816 1528706 1792276 3057412 3584552 6114824 7617173 12994001 15234346 25988002 30468692 51976004 60937384 103952008 129491941 220898017 258983882 441796034 517967764 883592068 1035935528 1767184136 3755266289 7510532578 15021065156 30042130312