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30215244214450 = 2526532605335521
BaseRepresentation
bin1101101111011000010001…
…11001011111000010110010
310221222112211022122202220201
412313230020321133002302
512430021310004330300
6144132405213425414
76235656630130141
oct667541071370262
9127875738582821
1030215244214450
11969a238716199
12347bb0019b26a
1313b2392a72659
147665d5ca3758
15375e7b70266a
hex1b7b08e5f0b2

30215244214450 has 48 divisors (see below), whose sum is σ = 56290164214536. Its totient is φ = 12066786201600.

The previous prime is 30215244214411. The next prime is 30215244214459. The reversal of 30215244214450 is 5441244251203.

It can be written as a sum of positive squares in 12 ways, for example, as 6871281843969 + 23343962370481 = 2621313^2 + 4831559^2 .

It is not an unprimeable number, because it can be changed into a prime (30215244214459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850612690 + ... + 850648210.

Almost surely, 230215244214450 is an apocalyptic number.

30215244214450 is a deficient number, since it is larger than the sum of its proper divisors (26074920000086).

30215244214450 is a wasteful number, since it uses less digits than its factorization.

30215244214450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62239 (or 62234 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 30215244214450 its reverse (5441244251203), we get a palindrome (35656488465653).

The spelling of 30215244214450 in words is "thirty trillion, two hundred fifteen billion, two hundred forty-four million, two hundred fourteen thousand, four hundred fifty".

Divisors: 1 2 5 10 25 50 653 1306 3265 6530 16325 26053 32650 35521 52106 71042 130265 177605 260530 355210 651325 888025 1302650 1776050 17012609 23195213 34025218 46390426 85063045 115976065 170126090 231952130 425315225 579880325 850630450 925428613 1159760650 1850857226 4627143065 9254286130 23135715325 46271430650 604304884289 1208609768578 3021524421445 6043048842890 15107622107225 30215244214450