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10111233161 is a prime number
BaseRepresentation
bin10010110101010110…
…10010110010001001
3222002200001212100002
421122223102302021
5131201433430121
64351154452345
7505365030611
oct113253226211
928080055302
1010111233161
114319589147
121b622940b5
13c51a64c03
146bcc39a41
153e2a30e0b
hex25aad2c89

10111233161 has 2 divisors, whose sum is σ = 10111233162. Its totient is φ = 10111233160.

The previous prime is 10111233101. The next prime is 10111233193. The reversal of 10111233161 is 16133211101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9590480761 + 520752400 = 97931^2 + 22820^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111233161 - 214 = 10111216777 is a prime.

It is a super-2 number, since 2×101112331612 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (10111233101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055616580 + 5055616581.

It is an arithmetic number, because the mean of its divisors is an integer number (5055616581).

Almost surely, 210111233161 is an apocalyptic number.

It is an amenable number.

10111233161 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111233161 is an equidigital number, since it uses as much as digits as its factorization.

10111233161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 10111233161 its reverse (16133211101), we get a palindrome (26244444262).

The spelling of 10111233161 in words is "ten billion, one hundred eleven million, two hundred thirty-three thousand, one hundred sixty-one".