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9091010011 = 61149032951
BaseRepresentation
bin10000111011101110…
…11100110111011011
3212110120100011021111
420131313130313123
5122104244310021
64102031521151
7441166211236
oct103567346733
925416304244
109091010011
113945702416
1219186891b7
13b1b596b85
1462354641d
153831a78e1
hex21dddcddb

9091010011 has 4 divisors (see below), whose sum is σ = 9240043024. Its totient is φ = 8941977000.

The previous prime is 9091009973. The next prime is 9091010017. The reversal of 9091010011 is 1100101909.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9091010011 - 211 = 9091007963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9091010017) 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, 74516415 + ... + 74516536.

It is an arithmetic number, because the mean of its divisors is an integer number (2310010756).

Almost surely, 29091010011 is an apocalyptic number.

9091010011 is a deficient number, since it is larger than the sum of its proper divisors (149033013).

9091010011 is a wasteful number, since it uses less digits than its factorization.

9091010011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149033012.

The product of its (nonzero) digits is 81, while the sum is 22.

The square root of 9091010011 is about 95346.7881525120. The cubic root of 9091010011 is about 2087.0717453733.

The spelling of 9091010011 in words is "nine billion, ninety-one million, ten thousand, eleven".

Divisors: 1 61 149032951 9091010011