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2112130401 = 35313819619
BaseRepresentation
bin111110111100100…
…1000110101100001
312110012100100012220
41331321020311201
513311201133101
6545330141253
7103224545403
oct17571106541
95405310186
102112130401
11994273917
124ab421829
13278777304
14160726b73
15c5661636
hex7de48d61

2112130401 has 16 divisors (see below), whose sum is σ = 2871685440. Its totient is φ = 1380375360.

The previous prime is 2112130399. The next prime is 2112130403. The reversal of 2112130401 is 1040312112.

It is an interprime number because it is at equal distance from previous prime (2112130399) and next prime (2112130403).

It is not a de Polignac number, because 2112130401 - 21 = 2112130399 is a prime.

It is a super-2 number, since 2×21121304012 = 8922189661656841602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112130403) 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 15 ways as a sum of consecutive naturals, for example, 214770 + ... + 224388.

It is an arithmetic number, because the mean of its divisors is an integer number (179480340).

Almost surely, 22112130401 is an apocalyptic number.

It is an amenable number.

2112130401 is a deficient number, since it is larger than the sum of its proper divisors (759555039).

2112130401 is a wasteful number, since it uses less digits than its factorization.

2112130401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11056.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2112130401 is about 45957.9198941815. The cubic root of 2112130401 is about 1283.0401371168.

Adding to 2112130401 its reverse (1040312112), we get a palindrome (3152442513).

The spelling of 2112130401 in words is "two billion, one hundred twelve million, one hundred thirty thousand, four hundred one".

Divisors: 1 3 53 159 1381 4143 9619 28857 73193 219579 509807 1529421 13283839 39851517 704043467 2112130401