Search a number
-
+
21115333062201 = 371636168662887
BaseRepresentation
bin1001100110100010010111…
…11011010010111000111001
32202202121100212101112112010
410303101023323102320321
510231423200230442301
6112524130004240133
74306350431436450
oct463211373227071
982677325345463
1021115333062201
116800a65046664
1224503623a0049
13ba2223910881
1452ddb7c87b97
152693d19db5d6
hex13344bed2e39

21115333062201 has 16 divisors (see below), whose sum is σ = 32373142836224. Its totient is φ = 11991880650384.

The previous prime is 21115333062181. The next prime is 21115333062217. The reversal of 21115333062201 is 10226033351112.

It is not a de Polignac number, because 21115333062201 - 27 = 21115333062073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21115333062251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3084328021 + ... + 3084334866.

It is an arithmetic number, because the mean of its divisors is an integer number (2023321427264).

Almost surely, 221115333062201 is an apocalyptic number.

21115333062201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

21115333062201 is a deficient number, since it is larger than the sum of its proper divisors (11257809774023).

21115333062201 is a wasteful number, since it uses less digits than its factorization.

21115333062201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6168663060.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 21115333062201 in words is "twenty-one trillion, one hundred fifteen billion, three hundred thirty-three million, sixty-two thousand, two hundred one".

Divisors: 1 3 7 21 163 489 1141 3423 6168662887 18505988661 43180640209 129541920627 1005492050581 3016476151743 7038444354067 21115333062201