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2105433101 = 2265192951
BaseRepresentation
bin111110101111110…
…0101110000001101
312102201202002020202
41331133211300031
513302442324401
6544530423245
7103113612632
oct17537456015
95381662222
102105433101
1199050a062
124a9131b25
13277270b05
1415d8a2189
15c4c8c06b
hex7d7e5c0d

2105433101 has 4 divisors (see below), whose sum is σ = 2105548704. Its totient is φ = 2105317500.

The previous prime is 2105433067. The next prime is 2105433131. The reversal of 2105433101 is 1013345012.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2105433101 - 230 = 1031691277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105433131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23825 + ... + 69126.

It is an arithmetic number, because the mean of its divisors is an integer number (526387176).

Almost surely, 22105433101 is an apocalyptic number.

It is an amenable number.

2105433101 is a deficient number, since it is larger than the sum of its proper divisors (115603).

2105433101 is an equidigital number, since it uses as much as digits as its factorization.

2105433101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115602.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2105433101 is about 45884.9986487959. The cubic root of 2105433101 is about 1281.6825815606.

Adding to 2105433101 its reverse (1013345012), we get a palindrome (3118778113).

The spelling of 2105433101 in words is "two billion, one hundred five million, four hundred thirty-three thousand, one hundred one".

Divisors: 1 22651 92951 2105433101