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20313030030212 = 225078257507553
BaseRepresentation
bin1001001111001011111101…
…11100000111001110000100
32122220220110222200122120102
410213211332330013032010
510130302041141431322
6111111402134023232
74164365551254443
oct447457674071604
978826428618512
1020313030030212
11652178698a947
1223409747a7b18
13b44683799c9a
14503227b04d5a
152535c6429792
hex12797ef07384

20313030030212 has 6 divisors (see below), whose sum is σ = 35547802552878. Its totient is φ = 10156515015104.

The previous prime is 20313030030211. The next prime is 20313030030217. The reversal of 20313030030212 is 21203003031302.

It can be written as a sum of positive squares in only one way, i.e., 10377005624896 + 9936024405316 = 3221336^2 + 3152146^2 .

It is not an unprimeable number, because it can be changed into a prime (20313030030211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2539128753773 + ... + 2539128753780.

It is an arithmetic number, because the mean of its divisors is an integer number (5924633758813).

Almost surely, 220313030030212 is an apocalyptic number.

It is an amenable number.

20313030030212 is a deficient number, since it is larger than the sum of its proper divisors (15234772522666).

20313030030212 is a wasteful number, since it uses less digits than its factorization.

20313030030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078257507557 (or 5078257507555 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20313030030212 its reverse (21203003031302), we get a palindrome (41516033061514).

The spelling of 20313030030212 in words is "twenty trillion, three hundred thirteen billion, thirty million, thirty thousand, two hundred twelve".

Divisors: 1 2 4 5078257507553 10156515015106 20313030030212