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12214320740 = 225610716037
BaseRepresentation
bin10110110000000011…
…11011111001100100
31011112020101210010122
423120001323321210
5200003331230430
65340003141112
7611453004356
oct133001737144
934466353118
1012214320740
1151a8735a56
12244a674798
1311c869422b
1483c28b0d6
154b74a7ee5
hex2d807be64

12214320740 has 12 divisors (see below), whose sum is σ = 25650073596. Its totient is φ = 4885728288.

The previous prime is 12214320731. The next prime is 12214320761. The reversal of 12214320740 is 4702341221.

12214320740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4429434916 + 7784885824 = 66554^2 + 88232^2 .

It is a super-2 number, since 2×122143207402 (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 305357999 + ... + 305358038.

It is an arithmetic number, because the mean of its divisors is an integer number (2137506133).

Almost surely, 212214320740 is an apocalyptic number.

12214320740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214320740 is an abundant number, since it is smaller than the sum of its proper divisors (13435752856).

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

12214320740 is a wasteful number, since it uses less digits than its factorization.

12214320740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610716046 (or 610716044 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 12214320740 its reverse (4702341221), we get a palindrome (16916661961).

The spelling of 12214320740 in words is "twelve billion, two hundred fourteen million, three hundred twenty thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 610716037 1221432074 2442864148 3053580185 6107160370 12214320740