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12214143442 = 217359239513
BaseRepresentation
bin10110110000000010…
…10000100111010010
31011112020001202221001
423120001100213102
5200003310042232
65335555252214
7611451335434
oct133001204722
934466052831
1012214143442
1151a8624826
12244a5aa06a
1311c8631617
1483c242654
154b74706e7
hex2d80509d2

12214143442 has 8 divisors (see below), whose sum is σ = 19398933756. Its totient is φ = 5747832192.

The previous prime is 12214143439. The next prime is 12214143481. The reversal of 12214143442 is 24434141221.

It can be written as a sum of positive squares in 2 ways, for example, as 12179108881 + 35034561 = 110359^2 + 5919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12214143442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179619723 + ... + 179619790.

Almost surely, 212214143442 is an apocalyptic number.

12214143442 is a deficient number, since it is larger than the sum of its proper divisors (7184790314).

12214143442 is a wasteful number, since it uses less digits than its factorization.

12214143442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359239532.

The product of its digits is 6144, while the sum is 28.

Adding to 12214143442 its reverse (24434141221), we get a palindrome (36648284663).

The spelling of 12214143442 in words is "twelve billion, two hundred fourteen million, one hundred forty-three thousand, four hundred forty-two".

Divisors: 1 2 17 34 359239513 718479026 6107071721 12214143442