Search a number
-
+
2021076028 = 22505269007
BaseRepresentation
bin111100001110111…
…0010110000111100
312012212000022002201
41320131302300330
513114343413103
6532314401244
7101040601636
oct17035626074
95185008081
102021076028
11947932374
12484a30224
1326294649a
141525c3a56
15bc67751d
hex78772c3c

2021076028 has 6 divisors (see below), whose sum is σ = 3536883056. Its totient is φ = 1010538012.

The previous prime is 2021076019. The next prime is 2021076041. The reversal of 2021076028 is 8206701202.

It is a junction number, because it is equal to n+sod(n) for n = 2021075987 and 2021076005.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 252634500 + ... + 252634507.

Almost surely, 22021076028 is an apocalyptic number.

It is an amenable number.

2021076028 is a deficient number, since it is larger than the sum of its proper divisors (1515807028).

2021076028 is a wasteful number, since it uses less digits than its factorization.

2021076028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505269011 (or 505269009 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2021076028 is about 44956.3791691457. The cubic root of 2021076028 is about 1264.3312828385.

The spelling of 2021076028 in words is "two billion, twenty-one million, seventy-six thousand, twenty-eight".

Divisors: 1 2 4 505269007 1010538014 2021076028