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12214224320 = 26538169451
BaseRepresentation
bin10110110000000011…
…00100010111000000
31011112020012212212112
423120001210113000
5200003320134240
65340001114452
7611452123304
oct133001442700
934466185775
1012214224320
1151a867a571
12244a628a28
1311c865c38c
1483c263d04
154b7489665
hex2d80645c0

12214224320 has 28 divisors (see below), whose sum is σ = 29085122424. Its totient is φ = 4885689600.

The previous prime is 12214224317. The next prime is 12214224343. The reversal of 12214224320 is 2342241221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19084406 + ... + 19085045.

Almost surely, 212214224320 is an apocalyptic number.

12214224320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12214224320 is an abundant number, since it is smaller than the sum of its proper divisors (16870898104).

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

12214224320 is an equidigital number, since it uses as much as digits as its factorization.

12214224320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38169468 (or 38169458 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 12214224320 its reverse (2342241221), we get a palindrome (14556465541).

The spelling of 12214224320 in words is "twelve billion, two hundred fourteen million, two hundred twenty-four thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 38169451 76338902 152677804 190847255 305355608 381694510 610711216 763389020 1221422432 1526778040 2442844864 3053556080 6107112160 12214224320