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12113580 = 2235201893
BaseRepresentation
bin101110001101…
…011010101100
3211210102201010
4232031122230
511100113310
61111345220
7204651363
oct56153254
924712633
1012113580
116924126
124082210
1326818cb
1418747da
1510e4320
hexb8d6ac

12113580 has 24 divisors (see below), whose sum is σ = 33918192. Its totient is φ = 3230272.

The previous prime is 12113579. The next prime is 12113581. The reversal of 12113580 is 8531121.

It is an interprime number because it is at equal distance from previous prime (12113579) and next prime (12113581).

It is not an unprimeable number, because it can be changed into a prime (12113581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100887 + ... + 101006.

It is an arithmetic number, because the mean of its divisors is an integer number (1413258).

Almost surely, 212113580 is an apocalyptic number.

12113580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113580 is an abundant number, since it is smaller than the sum of its proper divisors (21804612).

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

12113580 is a wasteful number, since it uses less digits than its factorization.

12113580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201905 (or 201903 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

The square root of 12113580 is about 3480.4568665622. The cubic root of 12113580 is about 229.6628962030.

The spelling of 12113580 in words is "twelve million, one hundred thirteen thousand, five hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 201893 403786 605679 807572 1009465 1211358 2018930 2422716 3028395 4037860 6056790 12113580