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1075990001 = 3042735363
BaseRepresentation
bin100000000100010…
…0100110111110001
32202222122221210112
41000020210313301
54200423140001
6254434111105
735443523042
oct10010446761
92688587715
101075990001
11502406239
1226041b495
13141bc5298
14a2c8c8c9
15646e1cbb
hex40224df1

1075990001 has 4 divisors (see below), whose sum is σ = 1076055792. Its totient is φ = 1075924212.

The previous prime is 1075989953. The next prime is 1075990009. The reversal of 1075990001 is 1000995701.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1000995701 = 7114098531.

It is a cyclic number.

It is not a de Polignac number, because 1075990001 - 218 = 1075727857 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1075990001.

It is not an unprimeable number, because it can be changed into a prime (1075990009) 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, 12746 + ... + 48108.

It is an arithmetic number, because the mean of its divisors is an integer number (269013948).

Almost surely, 21075990001 is an apocalyptic number.

It is an amenable number.

1075990001 is a deficient number, since it is larger than the sum of its proper divisors (65791).

1075990001 is an equidigital number, since it uses as much as digits as its factorization.

1075990001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65790.

The product of its (nonzero) digits is 2835, while the sum is 32.

The square root of 1075990001 is about 32802.2865209119. The cubic root of 1075990001 is about 1024.7141780095.

The spelling of 1075990001 in words is "one billion, seventy-five million, nine hundred ninety thousand, one".

Divisors: 1 30427 35363 1075990001