Search a number
-
+
9145797848 = 2311653159157
BaseRepresentation
bin10001000010010000…
…11100110011011000
3212121101102200001122
420201020130303120
5122212311012343
64111310104412
7442432666445
oct104110346330
925541380048
109145797848
113973623320
121932aab108
13b29a3a605
1462a9289cc
15387dcb068
hex22121ccd8

9145797848 has 32 divisors (see below), whose sum is σ = 18736079760. Its totient is φ = 4150788480.

The previous prime is 9145797841. The next prime is 9145797907. The reversal of 9145797848 is 8487975419.

It is a happy number.

It is a super-2 number, since 2×91457978482 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9145797841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22115 + ... + 137042.

Almost surely, 29145797848 is an apocalyptic number.

It is an amenable number.

9145797848 is an abundant number, since it is smaller than the sum of its proper divisors (9590281912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9145797848 is a wasteful number, since it uses less digits than its factorization.

9145797848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159827 (or 159823 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 62.

The square root of 9145797848 is about 95633.6648257296. The cubic root of 9145797848 is about 2091.2559964991.

The spelling of 9145797848 in words is "nine billion, one hundred forty-five million, seven hundred ninety-seven thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 11 22 44 88 653 1306 2612 5224 7183 14366 28732 57464 159157 318314 636628 1273256 1750727 3501454 7002908 14005816 103929521 207859042 415718084 831436168 1143224731 2286449462 4572898924 9145797848