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1345012506 = 23338365033
BaseRepresentation
bin101000000101011…
…0100001100011010
310110201212201022000
41100022310030122
510223310400011
6341244141430
745221263155
oct12012641432
93421781260
101345012506
11630251892
12316537876
131858681b6
14ca8bac9c
157d132356
hex502b431a

1345012506 has 32 divisors (see below), whose sum is σ = 2996766720. Its totient is φ = 447160032.

The previous prime is 1345012483. The next prime is 1345012507. The reversal of 1345012506 is 6052105431.

1345012506 is a `hidden beast` number, since 134 + 501 + 25 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1345012506.

It is not an unprimeable number, because it can be changed into a prime (1345012507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11835 + ... + 53198.

It is an arithmetic number, because the mean of its divisors is an integer number (93648960).

Almost surely, 21345012506 is an apocalyptic number.

1345012506 is an abundant number, since it is smaller than the sum of its proper divisors (1651754214).

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

1345012506 is a wasteful number, since it uses less digits than its factorization.

1345012506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65427 (or 65421 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1345012506 is about 36674.4121425279. The cubic root of 1345012506 is about 1103.8467267129.

Adding to 1345012506 its reverse (6052105431), we get a palindrome (7397117937).

The spelling of 1345012506 in words is "one billion, three hundred forty-five million, twelve thousand, five hundred six".

Divisors: 1 2 3 6 9 18 27 54 383 766 1149 2298 3447 6894 10341 20682 65033 130066 195099 390198 585297 1170594 1755891 3511782 24907639 49815278 74722917 149445834 224168751 448337502 672506253 1345012506