Search a number
-
+
9813207697 = 311217260111
BaseRepresentation
bin10010010001110100…
…11010101010010001
3221022220021121020221
421020322122222101
5130044140121242
64301431033041
7465115613656
oct111072325221
927286247227
109813207697
114186333207
121a9a50b781
13c050a8a97
1469141bc2d
153c67b2167
hex248e9aa91

9813207697 has 8 divisors (see below), whose sum is σ = 10138125312. Its totient is φ = 9488812800.

The previous prime is 9813207629. The next prime is 9813207737. The reversal of 9813207697 is 7967023189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9813207697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9813207097) 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, 92329 + ... + 167782.

It is an arithmetic number, because the mean of its divisors is an integer number (1267265664).

Almost surely, 29813207697 is an apocalyptic number.

It is an amenable number.

9813207697 is a deficient number, since it is larger than the sum of its proper divisors (324917615).

9813207697 is a wasteful number, since it uses less digits than its factorization.

9813207697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261359.

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 9813207697 is about 99061.6358485968. The cubic root of 9813207697 is about 2140.9358949040.

The spelling of 9813207697 in words is "nine billion, eight hundred thirteen million, two hundred seven thousand, six hundred ninety-seven".

Divisors: 1 31 1217 37727 260111 8063441 316555087 9813207697