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9145959109 = 731129132647
BaseRepresentation
bin10001000010010010…
…00100001011000101
3212121101201212021021
420201021010023011
5122212331142414
64111313351141
7442434240550
oct104111041305
925541655237
109145959109
1139737234a1
121932b684b1
13b29a95b31
1462a96b697
15387e0dc24
hex2212442c5

9145959109 has 16 divisors (see below), whose sum is σ = 10798391296. Its totient is φ = 7580401200.

The previous prime is 9145959101. The next prime is 9145959127. The reversal of 9145959109 is 9019595419.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 9145959109 - 23 = 9145959101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145959101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263824 + ... + 296470.

It is an arithmetic number, because the mean of its divisors is an integer number (674899456).

Almost surely, 29145959109 is an apocalyptic number.

It is an amenable number.

9145959109 is a deficient number, since it is larger than the sum of its proper divisors (1652432187).

9145959109 is a wasteful number, since it uses less digits than its factorization.

9145959109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33976.

The product of its (nonzero) digits is 656100, while the sum is 52.

The square root of 9145959109 is about 95634.5079403873. The cubic root of 9145959109 is about 2091.2682876101.

The spelling of 9145959109 in words is "nine billion, one hundred forty-five million, nine hundred fifty-nine thousand, one hundred nine".

Divisors: 1 7 31 217 1291 9037 32647 40021 228529 280147 1012057 7084399 42147277 295030939 1306565587 9145959109