Search a number
-
+
105562661563 is a prime number
BaseRepresentation
bin110001001010000000…
…1100110001010111011
3101002110211202211101001
41202110001212022323
53212143020132223
6120254514105431
710424640550462
oct1422401461273
9332424684331
10105562661563
1140850409067
121856087b277
139c540c2968
145175b499d9
152b2c7859ad
hex18940662bb

105562661563 has 2 divisors, whose sum is σ = 105562661564. Its totient is φ = 105562661562.

The previous prime is 105562661537. The next prime is 105562661573. The reversal of 105562661563 is 365166265501.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105562661563 is a prime.

It is a super-2 number, since 2×1055626615632 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105562661573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52781330781 + 52781330782.

It is an arithmetic number, because the mean of its divisors is an integer number (52781330782).

Almost surely, 2105562661563 is an apocalyptic number.

105562661563 is a deficient number, since it is larger than the sum of its proper divisors (1).

105562661563 is an equidigital number, since it uses as much as digits as its factorization.

105562661563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 105562661563 in words is "one hundred five billion, five hundred sixty-two million, six hundred sixty-one thousand, five hundred sixty-three".