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512552235012212 = 22149859986971497
BaseRepresentation
bin111010010001010011101110…
…1111001011001000001110100
32111012210111220112021000110102
41310202213131321121001310
51014140123434130342322
65014035125100413232
7212650451124224153
oct16442473571310164
92435714815230412
10512552235012212
1113935120050094a
12495a0082547218
1318ccc612010b95
14907d93674159a
153e3c9d712c792
hex1d229dde59074

512552235012212 has 12 divisors (see below), whose sum is σ = 902986320072900. Its totient is φ = 254556143562816.

The previous prime is 512552235012211. The next prime is 512552235012247. The reversal of 512552235012212 is 212210532255215.

It can be written as a sum of positive squares in 2 ways, for example, as 193911027937636 + 318641207074576 = 13925194^2 + 17850524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512552235012211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429993485153 + ... + 429993486344.

It is an arithmetic number, because the mean of its divisors is an integer number (75248860006075).

Almost surely, 2512552235012212 is an apocalyptic number.

It is an amenable number.

512552235012212 is a deficient number, since it is larger than the sum of its proper divisors (390434085060688).

512552235012212 is a wasteful number, since it uses less digits than its factorization.

512552235012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859986971650 (or 859986971648 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

Adding to 512552235012212 its reverse (212210532255215), we get a palindrome (724762767267427).

The spelling of 512552235012212 in words is "five hundred twelve trillion, five hundred fifty-two billion, two hundred thirty-five million, twelve thousand, two hundred twelve".

Divisors: 1 2 4 149 298 596 859986971497 1719973942994 3439947885988 128138058753053 256276117506106 512552235012212