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2004120213 = 31013659467
BaseRepresentation
bin111011101110100…
…0111001010010101
312011200002212002120
41313131013022111
513101023321323
6530511130153
7100443512034
oct16735071225
95150085076
102004120213
119393011a7
1247b213959
1325c28a864
1415024c71b
15bae285e3
hex77747295

2004120213 has 8 divisors (see below), whose sum is σ = 2674802208. Its totient is φ = 1334759184.

The previous prime is 2004120211. The next prime is 2004120257. The reversal of 2004120213 is 3120214002.

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

It is not a de Polignac number, because 2004120213 - 21 = 2004120211 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2004120192 and 2004120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2004120211) 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, 326695 + ... + 332772.

It is an arithmetic number, because the mean of its divisors is an integer number (334350276).

Almost surely, 22004120213 is an apocalyptic number.

It is an amenable number.

2004120213 is a deficient number, since it is larger than the sum of its proper divisors (670681995).

2004120213 is a wasteful number, since it uses less digits than its factorization.

2004120213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660483.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2004120213 is about 44767.4012312531. The cubic root of 2004120213 is about 1260.7856469605.

Adding to 2004120213 its reverse (3120214002), we get a palindrome (5124334215).

The spelling of 2004120213 in words is "two billion, four million, one hundred twenty thousand, two hundred thirteen".

Divisors: 1 3 1013 3039 659467 1978401 668040071 2004120213