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2021114340 = 2232571604059
BaseRepresentation
bin111100001110111…
…1100000111100100
312012212002020122200
41320131330013210
513114401124330
6532315254500
7101041121430
oct17035740744
95185066580
102021114340
11947959133
12484a4a430
1326295aa5b
141525d39c0
15bc683a60
hex7877c1e4

2021114340 has 72 divisors (see below), whose sum is σ = 7006534080. Its totient is φ = 461968704.

The previous prime is 2021114323. The next prime is 2021114387. The reversal of 2021114340 is 434111202.

2021114340 is a `hidden beast` number, since 20 + 211 + 1 + 434 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 in 23 ways as a sum of consecutive naturals, for example, 800770 + ... + 803289.

Almost surely, 22021114340 is an apocalyptic number.

2021114340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021114340 is an abundant number, since it is smaller than the sum of its proper divisors (4985419740).

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

2021114340 is a wasteful number, since it uses less digits than its factorization.

2021114340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604081 (or 1604076 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2021114340 is about 44956.8052690580. The cubic root of 2021114340 is about 1264.3392717767.

Adding to 2021114340 its reverse (434111202), we get a palindrome (2455225542).

The spelling of 2021114340 in words is "two billion, twenty-one million, one hundred fourteen thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 630 1260 1604059 3208118 4812177 6416236 8020295 9624354 11228413 14436531 16040590 19248708 22456826 24060885 28873062 32081180 33685239 44913652 48121770 56142065 57746124 67370478 72182655 96243540 101055717 112284130 134740956 144365310 168426195 202111434 224568260 288730620 336852390 404222868 505278585 673704780 1010557170 2021114340