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12448481320 = 2351128292003
BaseRepresentation
bin10111001011111110…
…01100000000101000
31012010120000101001201
423211333030000220
5200443302400240
65415130053544
7620325226312
oct134577140050
935116011051
1012448481320
1153089302a0
1224b4b7a2b4
13123504c1a2
148614027b2
154ccd0dd9a
hex2e5fcc028

12448481320 has 32 divisors (see below), whose sum is σ = 30555364320. Its totient is φ = 4526720320.

The previous prime is 12448481273. The next prime is 12448481347. The reversal of 12448481320 is 2318484421.

It is a self number, because there is not a number n which added to its sum of digits gives 12448481320.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14145562 + ... + 14146441.

It is an arithmetic number, because the mean of its divisors is an integer number (954855135).

Almost surely, 212448481320 is an apocalyptic number.

12448481320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12448481320 is an abundant number, since it is smaller than the sum of its proper divisors (18106883000).

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

12448481320 is a wasteful number, since it uses less digits than its factorization.

12448481320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28292025 (or 28292021 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 37.

The spelling of 12448481320 in words is "twelve billion, four hundred forty-eight million, four hundred eighty-one thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 28292003 56584006 113168012 141460015 226336024 282920030 311212033 565840060 622424066 1131680120 1244848132 1556060165 2489696264 3112120330 6224240660 12448481320