[go: up one dir, main page]

Search a number
-
+
2140231330 = 25375784409
BaseRepresentation
bin111111110010001…
…0101011010100010
312112011020000110001
41333210111122202
513340344400310
6552212330214
7104015444326
oct17744253242
95464200401
102140231330
119a9117526
124b891396a
13281535a93
1416435d986
15c7d6293a
hex7f9156a2

2140231330 has 16 divisors (see below), whose sum is σ = 3956536440. Its totient is φ = 832954752.

The previous prime is 2140231321. The next prime is 2140231361. The reversal of 2140231330 is 331320412.

It can be written as a sum of positive squares in 4 ways, for example, as 2112045849 + 28185481 = 45957^2 + 5309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2140231298 and 2140231307.

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, 2891835 + ... + 2892574.

Almost surely, 22140231330 is an apocalyptic number.

2140231330 is a deficient number, since it is larger than the sum of its proper divisors (1816305110).

2140231330 is a wasteful number, since it uses less digits than its factorization.

2140231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784453.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2140231330 is about 46262.6342743255. The cubic root of 2140231330 is about 1288.7051747362.

Adding to 2140231330 its reverse (331320412), we get a palindrome (2471551742).

The spelling of 2140231330 in words is "two billion, one hundred forty million, two hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 5784409 11568818 28922045 57844090 214023133 428046266 1070115665 2140231330