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2212412340 = 2235311189469
BaseRepresentation
bin1000001111011110…
…1011101110110100
312201012001012011210
42003313223232310
514012334143330
61003311401420
7105553123515
oct20367535664
95635035153
102212412340
11a35938156
12518b23270
13293489238
1416db8ca0c
15ce36e8b0
hex83debbb4

2212412340 has 48 divisors (see below), whose sum is σ = 6394590720. Its totient is φ = 570944640.

The previous prime is 2212412339. The next prime is 2212412347. The reversal of 2212412340 is 432142122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212412347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592875 + ... + 596594.

It is an arithmetic number, because the mean of its divisors is an integer number (133220640).

Almost surely, 22212412340 is an apocalyptic number.

2212412340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212412340 is an abundant number, since it is smaller than the sum of its proper divisors (4182178380).

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

2212412340 is a wasteful number, since it uses less digits than its factorization.

2212412340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189512 (or 1189510 counting only the distinct ones).

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

The square root of 2212412340 is about 47036.2874810502. The cubic root of 2212412340 is about 1303.0328283467.

Adding to 2212412340 its reverse (432142122), we get a palindrome (2644554462).

The spelling of 2212412340 in words is "two billion, two hundred twelve million, four hundred twelve thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 31 60 62 93 124 155 186 310 372 465 620 930 1860 1189469 2378938 3568407 4757876 5947345 7136814 11894690 14273628 17842035 23789380 35684070 36873539 71368140 73747078 110620617 147494156 184367695 221241234 368735390 442482468 553103085 737470780 1106206170 2212412340