Search a number
-
+
9197613989 = 17717620227
BaseRepresentation
bin10001001000011100…
…00111001110100101
3212201222221012102222
420210032013032211
5122314042121424
64120400442125
7443632300064
oct104416071645
925658835388
109197613989
11399a8a4583
121948319345
13b376b0555
146337761db
1538c713e5e
hex2243873a5

9197613989 has 8 divisors (see below), whose sum is σ = 9875815488. Its totient is φ = 8534653120.

The previous prime is 9197613979. The next prime is 9197614033. The reversal of 9197613989 is 9893167919.

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 9197613989 - 224 = 9180836773 is a prime.

It is a super-2 number, since 2×91976139892 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9197613949) 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, 3808907 + ... + 3811320.

It is an arithmetic number, because the mean of its divisors is an integer number (1234476936).

Almost surely, 29197613989 is an apocalyptic number.

It is an amenable number.

9197613989 is a deficient number, since it is larger than the sum of its proper divisors (678201499).

9197613989 is a wasteful number, since it uses less digits than its factorization.

9197613989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7620315.

The product of its digits is 6613488, while the sum is 62.

The square root of 9197613989 is about 95904.1917175678. The cubic root of 9197613989 is about 2095.1979458407.

The spelling of 9197613989 in words is "nine billion, one hundred ninety-seven million, six hundred thirteen thousand, nine hundred eighty-nine".

Divisors: 1 17 71 1207 7620227 129543859 541036117 9197613989