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1320434112 = 2636877261
BaseRepresentation
bin100111010110100…
…0011100111000000
310102000122000002010
41032231003213000
510201012342422
6335005252520
744502335064
oct11655034700
93360560063
101320434112
11618394768
1230a264140
13180740b7a
14c751daa4
157adc9b0c
hex4eb439c0

1320434112 has 28 divisors (see below), whose sum is σ = 3493649096. Its totient is φ = 440144640.

The previous prime is 1320434111. The next prime is 1320434123. The reversal of 1320434112 is 2114340231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320434111) 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, 3438439 + ... + 3438822.

It is an arithmetic number, because the mean of its divisors is an integer number (124773182).

Almost surely, 21320434112 is an apocalyptic number.

1320434112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1320434112 is an abundant number, since it is smaller than the sum of its proper divisors (2173214984).

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

1320434112 is an equidigital number, since it uses as much as digits as its factorization.

1320434112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6877276 (or 6877266 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1320434112 is about 36337.7780278321. The cubic root of 1320434112 is about 1097.0815508589.

Adding to 1320434112 its reverse (2114340231), we get a palindrome (3434774343).

The spelling of 1320434112 in words is "one billion, three hundred twenty million, four hundred thirty-four thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 192 6877261 13754522 20631783 27509044 41263566 55018088 82527132 110036176 165054264 220072352 330108528 440144704 660217056 1320434112