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9068041901 = 31129157691
BaseRepresentation
bin10000111000111111…
…10101011010101101
3212101222010020221202
420130133311122231
5122032404320101
64055451335245
7440500040642
oct103437653255
925358106852
109068041901
113933745106
121910a51525
13b168b4789
14620487dc9
1538116c36b
hex21c7f56ad

9068041901 has 4 divisors (see below), whose sum is σ = 9097199904. Its totient is φ = 9038883900.

The previous prime is 9068041891. The next prime is 9068041909. The reversal of 9068041901 is 1091408609.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 1091408609 = 5918498451.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9068041901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9068041909) 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, 14578535 + ... + 14579156.

It is an arithmetic number, because the mean of its divisors is an integer number (2274299976).

Almost surely, 29068041901 is an apocalyptic number.

It is an amenable number.

9068041901 is a deficient number, since it is larger than the sum of its proper divisors (29158003).

9068041901 is a wasteful number, since it uses less digits than its factorization.

9068041901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29158002.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 9068041901 is about 95226.2668647679. The cubic root of 9068041901 is about 2085.3126258427.

The spelling of 9068041901 in words is "nine billion, sixty-eight million, forty-one thousand, nine hundred one".

Divisors: 1 311 29157691 9068041901