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3115620290 = 25734267973
BaseRepresentation
bin1011100110110100…
…1001011111000010
322001010120220120002
42321231021133002
522340044322130
61233054320002
7140131223036
oct27155113702
98033526502
103115620290
111359760702
1272b4b9002
133a8636b03
14217b021c6
151337d1b45
hexb9b497c2

3115620290 has 16 divisors (see below), whose sum is σ = 5684941368. Its totient is φ = 1229175936.

The previous prime is 3115620283. The next prime is 3115620301. The reversal of 3115620290 is 920265113.

It can be written as a sum of positive squares in 4 ways, for example, as 3085469209 + 30151081 = 55547^2 + 5491^2 .

It is a super-3 number, since 3×31156202903 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133257 + ... + 2134716.

Almost surely, 23115620290 is an apocalyptic number.

3115620290 is a deficient number, since it is larger than the sum of its proper divisors (2569321078).

3115620290 is a wasteful number, since it uses less digits than its factorization.

3115620290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4268053.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 3115620290 is about 55817.7417135448. The cubic root of 3115620290 is about 1460.5446598006.

The spelling of 3115620290 in words is "three billion, one hundred fifteen million, six hundred twenty thousand, two hundred ninety".

Divisors: 1 2 5 10 73 146 365 730 4267973 8535946 21339865 42679730 311562029 623124058 1557810145 3115620290