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2012251403 = 17312379403
BaseRepresentation
bin111011111110000…
…1000010100001011
312012020101221222202
41313330020110023
513110114021103
6531401310415
7100602566111
oct16774102413
95166357882
102012251403
11942955298
12481a9540b
13260b76906
14151367ab1
15bb9d2988
hex77f0850b

2012251403 has 8 divisors (see below), whose sum is σ = 2025734448. Its totient is φ = 1998789984.

The previous prime is 2012251387. The next prime is 2012251429. The reversal of 2012251403 is 3041522102.

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

It is a cyclic number.

It is not a de Polignac number, because 2012251403 - 24 = 2012251387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2012251433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209300 + ... + 218702.

It is an arithmetic number, because the mean of its divisors is an integer number (253216806).

Almost surely, 22012251403 is an apocalyptic number.

2012251403 is a deficient number, since it is larger than the sum of its proper divisors (13483045).

2012251403 is a wasteful number, since it uses less digits than its factorization.

2012251403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10813.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2012251403 is about 44858.1252729090. The cubic root of 2012251403 is about 1262.4884480595.

Adding to 2012251403 its reverse (3041522102), we get a palindrome (5053773505).

The spelling of 2012251403 in words is "two billion, twelve million, two hundred fifty-one thousand, four hundred three".

Divisors: 1 173 1237 9403 214001 1626719 11631511 2012251403