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561152612231 is a prime number
BaseRepresentation
bin10000010101001110100…
…11010101011110000111
31222122102200122021201122
420022213103111132013
533143220032042411
61105442343544155
755353612334511
oct10124723253607
91878380567648
10561152612231
111a6a90025152
1290908a5b05b
1340bbb61a023
141d234bccbb1
15e8e46609db
hex82a74d5787

561152612231 has 2 divisors, whose sum is σ = 561152612232. Its totient is φ = 561152612230.

The previous prime is 561152612197. The next prime is 561152612299. The reversal of 561152612231 is 132216251165.

561152612231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 561152612231 - 210 = 561152611207 is a prime.

It is a super-2 number, since 2×5611526122312 (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 561152612191 and 561152612200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (561152612431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280576306115 + 280576306116.

It is an arithmetic number, because the mean of its divisors is an integer number (280576306116).

Almost surely, 2561152612231 is an apocalyptic number.

561152612231 is a deficient number, since it is larger than the sum of its proper divisors (1).

561152612231 is an equidigital number, since it uses as much as digits as its factorization.

561152612231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

Adding to 561152612231 its reverse (132216251165), we get a palindrome (693368863396).

The spelling of 561152612231 in words is "five hundred sixty-one billion, one hundred fifty-two million, six hundred twelve thousand, two hundred thirty-one".