Search a number
-
+
2031320299 = 3691955021
BaseRepresentation
bin111100100010011…
…0111110011101011
312020120021202121011
41321010313303223
513130004222144
6533322124351
7101223636421
oct17104676353
95216252534
102031320299
1195269a008
124883506b7
13264ac2298
14153acd111
15bd4eca34
hex79137ceb

2031320299 has 4 divisors (see below), whose sum is σ = 2031412240. Its totient is φ = 2031228360.

The previous prime is 2031320273. The next prime is 2031320309. The reversal of 2031320299 is 9920231302.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2031320299 - 229 = 1494449387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2031320299.

It is not an unprimeable number, because it can be changed into a prime (2031320209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9409 + ... + 64429.

It is an arithmetic number, because the mean of its divisors is an integer number (507853060).

Almost surely, 22031320299 is an apocalyptic number.

2031320299 is a deficient number, since it is larger than the sum of its proper divisors (91941).

2031320299 is an equidigital number, since it uses as much as digits as its factorization.

2031320299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91940.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2031320299 is about 45070.1708339341. The cubic root of 2031320299 is about 1266.4638646770.

The spelling of 2031320299 in words is "two billion, thirty-one million, three hundred twenty thousand, two hundred ninety-nine".

Divisors: 1 36919 55021 2031320299