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2120011013 = 19493322619
BaseRepresentation
bin111111001011100…
…1100110100000101
312110202011201101102
41332113030310011
513320210323023
6550211105445
7103351540061
oct17627146405
95422151342
102120011013
1199876671a
124b1ba2285
1327a2a62b3
141617b8aa1
15c61bb628
hex7e5ccd05

2120011013 has 8 divisors (see below), whose sum is σ = 2232141600. Its totient is φ = 2007935568.

The previous prime is 2120011001. The next prime is 2120011079. The reversal of 2120011013 is 3101100212.

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-2120011013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2120010985 and 2120011003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120016013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82418 + ... + 105036.

It is an arithmetic number, because the mean of its divisors is an integer number (279017700).

Almost surely, 22120011013 is an apocalyptic number.

It is an amenable number.

2120011013 is a deficient number, since it is larger than the sum of its proper divisors (112130587).

2120011013 is a wasteful number, since it uses less digits than its factorization.

2120011013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27571.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 2120011013 is about 46043.5773262678. The cubic root of 2120011013 is about 1284.6338821816.

Adding to 2120011013 its reverse (3101100212), we get a palindrome (5221111225).

The spelling of 2120011013 in words is "two billion, one hundred twenty million, eleven thousand, thirteen".

Divisors: 1 19 4933 22619 93727 429761 111579527 2120011013