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12266880442 = 212239501139
BaseRepresentation
bin10110110110010100…
…11011110110111010
31011122220022002111021
423123022123312322
5200110310133232
65345121453054
7612661522555
oct133312336672
934586262437
1012266880442
115225374923
1224641a118a
13120653774b
1484524d69c
154bbddb397
hex2db29bdba

12266880442 has 8 divisors (see below), whose sum is σ = 18401860800. Its totient is φ = 6132926844.

The previous prime is 12266880419. The next prime is 12266880443. The reversal of 12266880442 is 24408866221.

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

It is not an unprimeable number, because it can be changed into a prime (12266880443) 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, 226092 + ... + 275047.

It is an arithmetic number, because the mean of its divisors is an integer number (2300232600).

Almost surely, 212266880442 is an apocalyptic number.

12266880442 is a deficient number, since it is larger than the sum of its proper divisors (6134980358).

12266880442 is a wasteful number, since it uses less digits than its factorization.

12266880442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513380.

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 12266880442 in words is "twelve billion, two hundred sixty-six million, eight hundred eighty thousand, four hundred forty-two".

Divisors: 1 2 12239 24478 501139 1002278 6133440221 12266880442