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2021142324 = 223285159077
BaseRepresentation
bin111100001111000…
…0010111100110100
312012212010200001010
41320132002330310
513114403023244
6532320032220
7101041266135
oct17036027464
95185120033
102021142324
11947978163
12484a62670
1326296a706
141525ddc8c
15bc68beb9
hex78782f34

2021142324 has 24 divisors (see below), whose sum is σ = 4717732768. Its totient is φ = 673466400.

The previous prime is 2021142289. The next prime is 2021142349. The reversal of 2021142324 is 4232411202.

It is a self number, because there is not a number n which added to its sum of digits gives 2021142324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4674 + ... + 63750.

Almost surely, 22021142324 is an apocalyptic number.

It is an amenable number.

2021142324 is an abundant number, since it is smaller than the sum of its proper divisors (2696590444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021142324 is a wasteful number, since it uses less digits than its factorization.

2021142324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61935 (or 61933 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2021142324 is about 44957.1165000604. The cubic root of 2021142324 is about 1264.3451070241.

Adding to 2021142324 its reverse (4232411202), we get a palindrome (6253553526).

The spelling of 2021142324 in words is "two billion, twenty-one million, one hundred forty-two thousand, three hundred twenty-four".

Divisors: 1 2 3 4 6 12 2851 5702 8553 11404 17106 34212 59077 118154 177231 236308 354462 708924 168428527 336857054 505285581 673714108 1010571162 2021142324