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1001112109 = 19311699681
BaseRepresentation
bin111011101010111…
…100001000101101
32120202202202122021
4323222330020231
54022241041414
6243201150141
733544212124
oct7352741055
92522682567
101001112109
11474113388
1223b32b351
1312c53943a
1496d5aabb
155cd50c24
hex3babc22d

1001112109 has 8 divisors (see below), whose sum is σ = 1087796480. Its totient is φ = 917827200.

The previous prime is 1001112107. The next prime is 1001112127. The reversal of 1001112109 is 9012111001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001112109 - 21 = 1001112107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001112092 and 1001112101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001112107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849252 + ... + 850429.

It is an arithmetic number, because the mean of its divisors is an integer number (135974560).

Almost surely, 21001112109 is an apocalyptic number.

1001112109 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1001112109 is a deficient number, since it is larger than the sum of its proper divisors (86684371).

1001112109 is a wasteful number, since it uses less digits than its factorization.

1001112109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699731.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 1001112109 is about 31640.3557028046. The cubic root of 1001112109 is about 1000.3705656641.

The spelling of 1001112109 in words is "one billion, one million, one hundred twelve thousand, one hundred nine".

Divisors: 1 19 31 589 1699681 32293939 52690111 1001112109