Search a number
-
+
21301132334 = 2181199295693
BaseRepresentation
bin10011110101101001…
…010111110000101110
32000222111211122021012
4103311221113300232
5322111042213314
613441405105222
71352601431426
oct236551276056
960874748235
1021301132334
119040a2aaa9
124165858212
13201611b121
14106101d486
1584a0d193e
hex4f5a57c2e

21301132334 has 16 divisors (see below), whose sum is σ = 32289784800. Its totient is φ = 10538462880.

The previous prime is 21301132297. The next prime is 21301132337. The reversal of 21301132334 is 43323110312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21301132337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75809 + ... + 219884.

It is an arithmetic number, because the mean of its divisors is an integer number (2018111550).

Almost surely, 221301132334 is an apocalyptic number.

21301132334 is a deficient number, since it is larger than the sum of its proper divisors (10988652466).

21301132334 is a wasteful number, since it uses less digits than its factorization.

21301132334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296075.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21301132334 its reverse (43323110312), we get a palindrome (64624242646).

The spelling of 21301132334 in words is "twenty-one billion, three hundred one million, one hundred thirty-two thousand, three hundred thirty-four".

Divisors: 1 2 181 199 362 398 36019 72038 295693 591386 53520433 58842907 107040866 117685814 10650566167 21301132334