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12213144419 = 72960163273
BaseRepresentation
bin10110101111111010…
…11100101101100011
31011112011012000112012
423113331130231203
5200003031110134
65335522023135
7611440005020
oct132775345543
934464160465
1012213144419
1151a8002193
12244a1a7aab
1311c8371998
1483c062547
154b73246ce
hex2d7f5cb63

12213144419 has 8 divisors (see below), whose sum is σ = 14439185760. Its totient is φ = 10107429696.

The previous prime is 12213144409. The next prime is 12213144421. The reversal of 12213144419 is 91444131221.

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

It is not a de Polignac number, because 12213144419 - 224 = 12196367203 is a prime.

It is a super-2 number, since 2×122131444192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12213144409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30081434 + ... + 30081839.

It is an arithmetic number, because the mean of its divisors is an integer number (1804898220).

Almost surely, 212213144419 is an apocalyptic number.

12213144419 is a deficient number, since it is larger than the sum of its proper divisors (2226041341).

12213144419 is an equidigital number, since it uses as much as digits as its factorization.

12213144419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60163309.

The product of its digits is 6912, while the sum is 32.

The spelling of 12213144419 in words is "twelve billion, two hundred thirteen million, one hundred forty-four thousand, four hundred nineteen".

Divisors: 1 7 29 203 60163273 421142911 1744734917 12213144419