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2950011985 = 5590002397
BaseRepresentation
bin1010111111010101…
…1001110001010001
321121120222010200011
42233311121301101
522020200340420
61204420554521
7133050455014
oct25765316121
97546863604
102950011985
111284228738
126a3b52a41
1338023172b
141ddb1337b
15123ebc95a
hexafd59c51

2950011985 has 4 divisors (see below), whose sum is σ = 3540014388. Its totient is φ = 2360009584.

The previous prime is 2950011983. The next prime is 2950012003. The reversal of 2950011985 is 5891100592.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1486796481 + 1463215504 = 38559^2 + 38252^2 .

It is a cyclic number.

It is not a de Polignac number, because 2950011985 - 21 = 2950011983 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2950011983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295001194 + ... + 295001203.

It is an arithmetic number, because the mean of its divisors is an integer number (885003597).

Almost surely, 22950011985 is an apocalyptic number.

It is an amenable number.

2950011985 is a deficient number, since it is larger than the sum of its proper divisors (590002403).

2950011985 is an equidigital number, since it uses as much as digits as its factorization.

2950011985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590002402.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 2950011985 is about 54314.0127867570. The cubic root of 2950011985 is about 1434.1940842510.

The spelling of 2950011985 in words is "two billion, nine hundred fifty million, eleven thousand, nine hundred eighty-five".

Divisors: 1 5 590002397 2950011985