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2162105013 = 331160914449
BaseRepresentation
bin1000000011011111…
…0001101010110101
312120200101022111110
42000313301222311
513411444330023
6554313225233
7104402406105
oct20067615265
95520338443
102162105013
11a0a4a7552
12504102219
13285c23ca3
14167215205
15c9c33a93
hex80df1ab5

2162105013 has 16 divisors (see below), whose sum is σ = 2977856000. Its totient is φ = 1393943040.

The previous prime is 2162105003. The next prime is 2162105051. The reversal of 2162105013 is 3105012612.

2162105013 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2162105013 - 210 = 2162103989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162105003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142413 + ... + 156861.

It is an arithmetic number, because the mean of its divisors is an integer number (186116000).

Almost surely, 22162105013 is an apocalyptic number.

It is an amenable number.

2162105013 is a deficient number, since it is larger than the sum of its proper divisors (815750987).

2162105013 is a wasteful number, since it uses less digits than its factorization.

2162105013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16092.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 2162105013 is about 46498.4409738649. The cubic root of 2162105013 is about 1293.0805955568.

Adding to 2162105013 its reverse (3105012612), we get a palindrome (5267117625).

The spelling of 2162105013 in words is "two billion, one hundred sixty-two million, one hundred five thousand, thirteen".

Divisors: 1 3 31 93 1609 4827 14449 43347 49879 149637 447919 1343757 23248441 69745323 720701671 2162105013