Search a number
-
+
215335403401434 = 231971167159307333
BaseRepresentation
bin110000111101100010101110…
…001110100011000011011010
31001020102212022111122121020020
4300331202232032203003122
5211211023401232321214
62041551415122011310
763233320015422501
oct6075425616430332
91036385274577206
10215335403401434
116268126048a678
122019953aaa6b36
13932006cc937b4
143b26409555838
1519d657c0794a9
hexc3d8ae3a30da

215335403401434 has 64 divisors (see below), whose sum is σ = 462475562895360. Its totient is φ = 66641443122240.

The previous prime is 215335403401361. The next prime is 215335403401457. The reversal of 215335403401434 is 434104304533512.

215335403401434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78301969 + ... + 81005364.

It is an arithmetic number, because the mean of its divisors is an integer number (7226180670240).

Almost surely, 2215335403401434 is an apocalyptic number.

215335403401434 is an abundant number, since it is smaller than the sum of its proper divisors (247140159493926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215335403401434 is a wasteful number, since it uses less digits than its factorization.

215335403401434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159307595.

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 215335403401434 its reverse (434104304533512), we get a palindrome (649439707934946).

The spelling of 215335403401434 in words is "two hundred fifteen trillion, three hundred thirty-five billion, four hundred three million, four hundred one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 19 38 57 71 114 142 167 213 334 426 501 1002 1349 2698 3173 4047 6346 8094 9519 11857 19038 23714 35571 71142 225283 450566 675849 1351698 159307333 318614666 477921999 955843998 3026839327 6053678654 9080517981 11310820643 18161035962 22621641286 26604324611 33932461929 53208649222 67864923858 79812973833 159625947666 214905592217 429811184434 505482167609 644716776651 1010964335218 1289433553302 1516446502827 1888907047381 3032893005654 3777814094762 5666721142143 11333442284286 35889233900239 71778467800478 107667701700717 215335403401434