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2012201255 = 51346929879
BaseRepresentation
bin111011111101111…
…1100000100100111
312012020022102012102
41313323330010213
513110110420010
6531400242315
7100602266651
oct16773740447
95166272172
102012201255
11942920649
12481a7039b
13260b59b3c
141513536d1
15bb9c2ba5
hex77efc127

2012201255 has 8 divisors (see below), whose sum is σ = 2414901600. Its totient is φ = 1609587616.

The previous prime is 2012201237. The next prime is 2012201263. The reversal of 2012201255 is 5521022102.

It is a happy number.

2012201255 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2012201255 is a prime.

It is a congruent number.

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, 52406 + ... + 82284.

It is an arithmetic number, because the mean of its divisors is an integer number (301862700).

Almost surely, 22012201255 is an apocalyptic number.

2012201255 is a deficient number, since it is larger than the sum of its proper divisors (402700345).

2012201255 is a wasteful number, since it uses less digits than its factorization.

2012201255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43353.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2012201255 is about 44857.5663071460. The cubic root of 2012201255 is about 1262.4779603381.

Adding to 2012201255 its reverse (5521022102), we get a palindrome (7533223357).

The spelling of 2012201255 in words is "two billion, twelve million, two hundred one thousand, two hundred fifty-five".

Divisors: 1 5 13469 29879 67345 149395 402440251 2012201255