Base | Representation |
---|---|
bin | 110001000101011000… |
… | …0011000110011110001 |
3 | 101002002000011022002001 |
4 | 1202022300120303301 |
5 | 3211333212433231 |
6 | 120231241054001 |
7 | 10421042016040 |
oct | 1421260306361 |
9 | 332060138061 |
10 | 105407155441 |
11 | 40780656005 |
12 | 18518787301 |
13 | 9c2ab167c3 |
14 | 515d22a557 |
15 | 2b1dcb9b61 |
hex | 188ac18cf1 |
105407155441 has 4 divisors (see below), whose sum is σ = 120465320512. Its totient is φ = 90348990372.
The previous prime is 105407155393. The next prime is 105407155519. The reversal of 105407155441 is 144551704501.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 144551704501 = 1237 ⋅116856673.
It is a cyclic number.
It is not a de Polignac number, because 105407155441 - 29 = 105407154929 is a prime.
It is a super-2 number, since 2×1054071554412 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 105407155441.
It is not an unprimeable number, because it can be changed into a prime (105407150441) 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, 7529082525 + ... + 7529082538.
It is an arithmetic number, because the mean of its divisors is an integer number (30116330128).
Almost surely, 2105407155441 is an apocalyptic number.
It is an amenable number.
105407155441 is a deficient number, since it is larger than the sum of its proper divisors (15058165071).
105407155441 is an equidigital number, since it uses as much as digits as its factorization.
105407155441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15058165070.
The product of its (nonzero) digits is 56000, while the sum is 37.
Adding to 105407155441 its reverse (144551704501), we get a palindrome (249958859942).
The spelling of 105407155441 in words is "one hundred five billion, four hundred seven million, one hundred fifty-five thousand, four hundred forty-one".
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