Base | Representation |
---|---|
bin | 110001000110100110… |
… | …1001101100100001001 |
3 | 101002011212111221011002 |
4 | 1202031031031210021 |
5 | 3211424224002433 |
6 | 120235310144345 |
7 | 10422051320630 |
oct | 1421515154411 |
9 | 332155457132 |
10 | 105448265993 |
11 | 407a1884a74 |
12 | 1852a4b20b5 |
13 | 9c364ab985 |
14 | 516488c517 |
15 | 2b226da9e8 |
hex | 188d34d909 |
105448265993 has 4 divisors (see below), whose sum is σ = 120512304000. Its totient is φ = 90384227988.
The previous prime is 105448265971. The next prime is 105448266017. The reversal of 105448265993 is 399562844501.
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.
It is a cyclic number.
It is not a de Polignac number, because 105448265993 - 210 = 105448264969 is a prime.
It is a super-2 number, since 2×1054482659932 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (105448265903) 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, 7532018993 + ... + 7532019006.
It is an arithmetic number, because the mean of its divisors is an integer number (30128076000).
Almost surely, 2105448265993 is an apocalyptic number.
It is an amenable number.
105448265993 is a deficient number, since it is larger than the sum of its proper divisors (15064038007).
105448265993 is an equidigital number, since it uses as much as digits as its factorization.
105448265993 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15064038006.
The product of its (nonzero) digits is 9331200, while the sum is 56.
The spelling of 105448265993 in words is "one hundred five billion, four hundred forty-eight million, two hundred sixty-five thousand, nine hundred ninety-three".
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