Search a number
-
+
220300021311 = 31729148952009
BaseRepresentation
bin1100110100101011100…
…1111000111000111111
3210001122002100121121120
43031022321320320333
512102133301140221
6245112054002023
721626145166416
oct3151271707077
9701562317546
10220300021311
1185479689717
1236842046313
1317a0ac014c6
14a93c18447d
155ae57055c6
hex334ae78e3f

220300021311 has 16 divisors (see below), whose sum is σ = 321736341600. Its totient is φ = 133460999168.

The previous prime is 220300021309. The next prime is 220300021349. The reversal of 220300021311 is 113120003022.

It is a cyclic number.

It is not a de Polignac number, because 220300021311 - 21 = 220300021309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220300021301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74474526 + ... + 74477483.

It is an arithmetic number, because the mean of its divisors is an integer number (20108521350).

Almost surely, 2220300021311 is an apocalyptic number.

220300021311 is a deficient number, since it is larger than the sum of its proper divisors (101436320289).

220300021311 is a wasteful number, since it uses less digits than its factorization.

220300021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148952058.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 220300021311 its reverse (113120003022), we get a palindrome (333420024333).

The spelling of 220300021311 in words is "two hundred twenty billion, three hundred million, twenty-one thousand, three hundred eleven".

Divisors: 1 3 17 29 51 87 493 1479 148952009 446856027 2532184153 4319608261 7596552459 12958824783 73433340437 220300021311