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101111045 = 572888887
BaseRepresentation
bin1100000011011…
…01010100000101
321001020222021112
412001231110011
5201341023140
614011054405
72335300250
oct601552405
9231228245
10101111045
1152090252
1229a41405
1317c42429
14d600097
158d23c65
hex606d505

101111045 has 8 divisors (see below), whose sum is σ = 138666624. Its totient is φ = 69333264.

The previous prime is 101111033. The next prime is 101111063. The reversal of 101111045 is 540111101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101111045 - 26 = 101110981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1444409 + ... + 1444478.

It is an arithmetic number, because the mean of its divisors is an integer number (17333328).

Almost surely, 2101111045 is an apocalyptic number.

It is an amenable number.

101111045 is a deficient number, since it is larger than the sum of its proper divisors (37555579).

101111045 is an equidigital number, since it uses as much as digits as its factorization.

101111045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2888899.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 101111045 is about 10055.3987986554. The cubic root of 101111045 is about 465.8715607517.

Adding to 101111045 its reverse (540111101), we get a palindrome (641222146).

The spelling of 101111045 in words is "one hundred one million, one hundred eleven thousand, forty-five".

Divisors: 1 5 7 35 2888887 14444435 20222209 101111045