Search a number
-
+
2138463202 = 21213881477
BaseRepresentation
bin111111101110110…
…0101101111100010
312112000220012000211
41333131211233202
513334421310302
6552110404334
7103664431411
oct17735455742
95460805024
102138463202
119a811a067
124b82006aa
13281067055
1416401d478
15c7b13ad7
hex7f765be2

2138463202 has 8 divisors (see below), whose sum is σ = 3210342876. Its totient is φ = 1068348912.

The previous prime is 2138463191. The next prime is 2138463247. The reversal of 2138463202 is 2023648312.

It can be written as a sum of positive squares in 2 ways, for example, as 1355638761 + 782824441 = 36819^2 + 27979^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438313 + ... + 443164.

Almost surely, 22138463202 is an apocalyptic number.

2138463202 is a deficient number, since it is larger than the sum of its proper divisors (1071879674).

2138463202 is a wasteful number, since it uses less digits than its factorization.

2138463202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882692.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2138463202 is about 46243.5206488433. The cubic root of 2138463202 is about 1288.3501938768.

The spelling of 2138463202 in words is "two billion, one hundred thirty-eight million, four hundred sixty-three thousand, two hundred two".

Divisors: 1 2 1213 2426 881477 1762954 1069231601 2138463202