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12223010144 = 25971393377
BaseRepresentation
bin10110110001000110…
…00101010101100000
31011112211202020202102
423120203011111200
5200013042311034
65340513305532
7611616605042
oct133043052540
934484666672
1012223010144
115202630484
1224515652a8
1311ca4173a7
1483d4ada92
154b812297e
hex2d88c5560

12223010144 has 24 divisors (see below), whose sum is σ = 24088895208. Its totient is φ = 6105195520.

The previous prime is 12223010141. The next prime is 12223010153. The reversal of 12223010144 is 44101032221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12223010141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165617 + ... + 227760.

It is an arithmetic number, because the mean of its divisors is an integer number (1003703967).

Almost surely, 212223010144 is an apocalyptic number.

It is an amenable number.

12223010144 is a deficient number, since it is larger than the sum of its proper divisors (11865885064).

12223010144 is an equidigital number, since it uses as much as digits as its factorization.

12223010144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394358 (or 394350 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12223010144 its reverse (44101032221), we get a palindrome (56324042365).

The spelling of 12223010144 in words is "twelve billion, two hundred twenty-three million, ten thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 971 1942 3884 7768 15536 31072 393377 786754 1573508 3147016 6294032 12588064 381969067 763938134 1527876268 3055752536 6111505072 12223010144