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9091464097 = 38923371373
BaseRepresentation
bin10000111011110010…
…01011101110100001
3212110121012020011111
420131321023232201
5122104403322342
64102045343321
7441203112142
oct103571135641
925417166144
109091464097
1139459925a1
121918867b41
13b1b6c5771
14623623ac9
15383247217
hex21de4bba1

9091464097 has 4 divisors (see below), whose sum is σ = 9114835860. Its totient is φ = 9068092336.

The previous prime is 9091464077. The next prime is 9091464101. The reversal of 9091464097 is 7904641909.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3706252641 + 5385211456 = 60879^2 + 73384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9091464097 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 9091464097.

It is not an unprimeable number, because it can be changed into a prime (9091464077) 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, 11685298 + ... + 11686075.

It is an arithmetic number, because the mean of its divisors is an integer number (2278708965).

Almost surely, 29091464097 is an apocalyptic number.

It is an amenable number.

9091464097 is a deficient number, since it is larger than the sum of its proper divisors (23371763).

9091464097 is a wasteful number, since it uses less digits than its factorization.

9091464097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23371762.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 9091464097 is about 95349.1693566336. The cubic root of 9091464097 is about 2087.1064937779.

The spelling of 9091464097 in words is "nine billion, ninety-one million, four hundred sixty-four thousand, ninety-seven".

Divisors: 1 389 23371373 9091464097