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11001006001 = 89971274297
BaseRepresentation
bin10100011111011011…
…00000011110110001
31001101200100000012201
422033231200132301
5140012224143001
65015341423201
7536421002536
oct121755403661
931350300181
1011001006001
1147358656a7
12217026ab01
1310641ba50b
14765092d8d
15445bdc501
hex28fb607b1

11001006001 has 8 divisors (see below), whose sum is σ = 11239308360. Its totient is φ = 10765252608.

The previous prime is 11001005987. The next prime is 11001006043. The reversal of 11001006001 is 10060010011.

It can be written as a sum of positive squares in 4 ways, for example, as 2030625 + 10998975376 = 1425^2 + 104876^2 .

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 11001006001 - 29 = 11001005489 is a prime.

It is a super-3 number, since 3×110010060013 (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11001006701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628516 + ... + 645781.

It is an arithmetic number, because the mean of its divisors is an integer number (1404913545).

Almost surely, 211001006001 is an apocalyptic number.

It is an amenable number.

11001006001 is a deficient number, since it is larger than the sum of its proper divisors (238302359).

11001006001 is an equidigital number, since it uses as much as digits as its factorization.

11001006001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274483.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11001006001 its reverse (10060010011), we get a palindrome (21061016012).

The spelling of 11001006001 in words is "eleven billion, one million, six thousand, one".

Divisors: 1 89 97 8633 1274297 113412433 123606809 11001006001