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30133211450 = 25217257137941
BaseRepresentation
bin11100000100000101…
…000101000100111010
32212210000221202010112
4130010011011010322
5443203100231300
621502031144322
72114505033266
oct340405050472
985700852115
1030133211450
1111863459841
125a0b6750a2
132ac2b66544
14165c0030a6
15bb568de35
hex70414513a

30133211450 has 48 divisors (see below), whose sum is σ = 59576046264. Its totient is φ = 11300044800.

The previous prime is 30133211447. The next prime is 30133211461. The reversal of 30133211450 is 5411233103.

It can be written as a sum of positive squares in 12 ways, for example, as 13985664121 + 16147547329 = 118261^2 + 127073^2 .

It is a super-2 number, since 2×301332114502 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149480 + ... + 287420.

Almost surely, 230133211450 is an apocalyptic number.

30133211450 is a deficient number, since it is larger than the sum of its proper divisors (29442834814).

30133211450 is a wasteful number, since it uses less digits than its factorization.

30133211450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138227 (or 138222 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 30133211450 its reverse (5411233103), we get a palindrome (35544444553).

The spelling of 30133211450 in words is "thirty billion, one hundred thirty-three million, two hundred eleven thousand, four hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 170 257 425 514 850 1285 2570 4369 6425 8738 12850 21845 43690 109225 137941 218450 275882 689705 1379410 2344997 3448525 4689994 6897050 11724985 23449970 35450837 58624925 70901674 117249850 177254185 354508370 602664229 886270925 1205328458 1772541850 3013321145 6026642290 15066605725 30133211450