Search a number
-
+
2021133301 = 112142911689
BaseRepresentation
bin111100001111000…
…0000101111110101
312012212010012122221
41320132000233311
513114402231201
6532315522341
7101041230625
oct17036005765
95185105587
102021133301
11947971400
12484a593b1
13262966585
141525da885
15bc6894a1
hex78780bf5

2021133301 has 12 divisors (see below), whose sum is σ = 2223321100. Its totient is φ = 1835951040.

The previous prime is 2021133299. The next prime is 2021133347. The reversal of 2021133301 is 1033311202.

It can be written as a sum of positive squares in 2 ways, for example, as 1181640625 + 839492676 = 34375^2 + 28974^2 .

It is not a de Polignac number, because 2021133301 - 21 = 2021133299 is a prime.

It is a super-2 number, since 2×20211333012 = 8169959640822313202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021133371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167065 + ... + 178753.

Almost surely, 22021133301 is an apocalyptic number.

It is an amenable number.

2021133301 is a deficient number, since it is larger than the sum of its proper divisors (202187799).

2021133301 is a wasteful number, since it uses less digits than its factorization.

2021133301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13140 (or 13129 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2021133301 is about 44957.0161487615. The cubic root of 2021133301 is about 1264.3432255464.

Adding to 2021133301 its reverse (1033311202), we get a palindrome (3054444503).

The spelling of 2021133301 in words is "two billion, twenty-one million, one hundred thirty-three thousand, three hundred one".

Divisors: 1 11 121 1429 11689 15719 128579 172909 1414369 16703581 183739391 2021133301