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105454323001 = 482712184631
BaseRepresentation
bin110001000110110010…
…0010100010100111001
3101002012021220122210201
41202031210110110321
53211432301314001
6120240044042201
710422153645556
oct1421544242471
9332167818721
10105454323001
11407a5241765
1218530533361
139c3781c8c1
1451655c7a2d
152b22ed5501
hex188d914539

105454323001 has 4 divisors (see below), whose sum is σ = 105456555904. Its totient is φ = 105452090100.

The previous prime is 105454322999. The next prime is 105454323017. The reversal of 105454323001 is 100323454501.

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: 100323454501 = 599167484899.

It is a cyclic number.

It is not a de Polignac number, because 105454323001 - 21 = 105454322999 is a prime.

It is a super-2 number, since 2×1054543230012 (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 (105454323061) 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, 1044045 + ... + 1140586.

It is an arithmetic number, because the mean of its divisors is an integer number (26364138976).

Almost surely, 2105454323001 is an apocalyptic number.

It is an amenable number.

105454323001 is a deficient number, since it is larger than the sum of its proper divisors (2232903).

105454323001 is an equidigital number, since it uses as much as digits as its factorization.

105454323001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232902.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 105454323001 its reverse (100323454501), we get a palindrome (205777777502).

The spelling of 105454323001 in words is "one hundred five billion, four hundred fifty-four million, three hundred twenty-three thousand, one".

Divisors: 1 48271 2184631 105454323001