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91130313203 = 1728318942073
BaseRepresentation
bin101010011011111001…
…0100011100111110011
322201020000202120100022
41110313302203213303
52443113330010303
6105510434514055
76404202611216
oct1246762434763
9281200676308
1091130313203
1135714760136
12157b343592b
138794057667
1445a708b77d
1525856ee438
hex1537ca39f3

91130313203 has 8 divisors (see below), whose sum is σ = 96831882288. Its totient is φ = 85466628864.

The previous prime is 91130313193. The next prime is 91130313217. The reversal of 91130313203 is 30231303119.

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 91130313203 - 212 = 91130309107 is a prime.

It is a super-2 number, since 2×911303132032 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91130313103) 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, 9466226 + ... + 9475847.

It is an arithmetic number, because the mean of its divisors is an integer number (12103985286).

Almost surely, 291130313203 is an apocalyptic number.

91130313203 is a deficient number, since it is larger than the sum of its proper divisors (5701569085).

91130313203 is a wasteful number, since it uses less digits than its factorization.

91130313203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18942373.

The product of its (nonzero) digits is 1458, while the sum is 26.

The spelling of 91130313203 in words is "ninety-one billion, one hundred thirty million, three hundred thirteen thousand, two hundred three".

Divisors: 1 17 283 4811 18942073 322015241 5360606659 91130313203