Search a number
-
+
2131400303 = 97107205357
BaseRepresentation
bin111111100001010…
…1001011001101111
312111112121100112222
41333002221121233
513331114302203
6551255145555
7103550414024
oct17702513157
95445540488
102131400303
119a413565a
124b59752bb
1327c763316
1416310154b
15c71bb038
hex7f0a966f

2131400303 has 8 divisors (see below), whose sum is σ = 2173509072. Its totient is φ = 2089702656.

The previous prime is 2131400251. The next prime is 2131400339. The reversal of 2131400303 is 3030041312.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2131400303 - 26 = 2131400239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131400203) 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 7 ways as a sum of consecutive naturals, for example, 92300 + ... + 113057.

It is an arithmetic number, because the mean of its divisors is an integer number (271688634).

Almost surely, 22131400303 is an apocalyptic number.

2131400303 is a deficient number, since it is larger than the sum of its proper divisors (42108769).

2131400303 is a wasteful number, since it uses less digits than its factorization.

2131400303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205561.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2131400303 is about 46167.0911256059. The cubic root of 2131400303 is about 1286.9302452561.

Adding to 2131400303 its reverse (3030041312), we get a palindrome (5161441615).

The spelling of 2131400303 in words is "two billion, one hundred thirty-one million, four hundred thousand, three hundred three".

Divisors: 1 97 107 10379 205357 19919629 21973199 2131400303