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2928868089 = 373736710271
BaseRepresentation
bin1010111010010010…
…1111101011111001
321120010011220200220
42232210233223321
521444242234324
61202343450253
7132402653010
oct25644575371
97503156626
102928868089
1112732a6a44
12698a56989
13378a3a754
141dadaba77
151221e2b79
hexae92faf9

2928868089 has 32 divisors (see below), whose sum is σ = 4596596736. Its totient is φ = 1623810240.

The previous prime is 2928868081. The next prime is 2928868099. The reversal of 2928868089 is 9808688292.

It is not a de Polignac number, because 2928868089 - 23 = 2928868081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2928868081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 280024 + ... + 290294.

It is an arithmetic number, because the mean of its divisors is an integer number (143643648).

Almost surely, 22928868089 is an apocalyptic number.

It is an amenable number.

2928868089 is a deficient number, since it is larger than the sum of its proper divisors (1667728647).

2928868089 is a wasteful number, since it uses less digits than its factorization.

2928868089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10685.

The product of its (nonzero) digits is 7962624, while the sum is 60.

The square root of 2928868089 is about 54119.0178125952. The cubic root of 2928868089 is about 1430.7593875251.

The spelling of 2928868089 in words is "two billion, nine hundred twenty-eight million, eight hundred sixty-eight thousand, eighty-nine".

Divisors: 1 3 7 21 37 111 259 367 777 1101 2569 7707 10271 13579 30813 40737 71897 95053 215691 285159 380027 1140081 2660189 3769457 7980567 11308371 26386199 79158597 139469909 418409727 976289363 2928868089