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2007815013 = 33251296269
BaseRepresentation
bin111011110101100…
…1101001101100101
312011221001120102000
41313223031031211
513103000040023
6531122235513
7100520101041
oct16753151545
95157046360
102007815013
119403a5156
124804b5b99
1325cc82529
14150931021
15bb408243
hex77acd365

2007815013 has 16 divisors (see below), whose sum is σ = 2986401600. Its totient is φ = 1333206000.

The previous prime is 2007815011. The next prime is 2007815041. The reversal of 2007815013 is 3105187002.

It is not a de Polignac number, because 2007815013 - 21 = 2007815011 is a prime.

It is a super-2 number, since 2×20078150132 = 8062642252856380338, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2007815011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141358 + ... + 154911.

It is an arithmetic number, because the mean of its divisors is an integer number (186650100).

Almost surely, 22007815013 is an apocalyptic number.

It is an amenable number.

2007815013 is a deficient number, since it is larger than the sum of its proper divisors (978586587).

2007815013 is a wasteful number, since it uses less digits than its factorization.

2007815013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296529 (or 296523 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 2007815013 is about 44808.6488638075. The cubic root of 2007815013 is about 1261.5599669492.

The spelling of 2007815013 in words is "two billion, seven million, eight hundred fifteen thousand, thirteen".

Divisors: 1 3 9 27 251 753 2259 6777 296269 888807 2666421 7999263 74363519 223090557 669271671 2007815013