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2112531463 = 72167258161
BaseRepresentation
bin111110111101010…
…1010110000000111
312110020002201101001
41331322222300013
513311302001323
6545342514131
7103231135600
oct17572526007
95406081331
102112531463
11994518179
124ab595947
13278887a23
141607ccda7
15c56e03ad
hex7deaac07

2112531463 has 12 divisors (see below), whose sum is σ = 2472159312. Its totient is φ = 1799891520.

The previous prime is 2112531461. The next prime is 2112531467. The reversal of 2112531463 is 3641352112.

It is not a de Polignac number, because 2112531463 - 21 = 2112531461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112531461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120898 + ... + 137263.

It is an arithmetic number, because the mean of its divisors is an integer number (206013276).

Almost surely, 22112531463 is an apocalyptic number.

2112531463 is a deficient number, since it is larger than the sum of its proper divisors (359627849).

2112531463 is a wasteful number, since it uses less digits than its factorization.

2112531463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258342 (or 258335 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 2112531463 is about 45962.2830481690. The cubic root of 2112531463 is about 1283.1213420267.

Adding to 2112531463 its reverse (3641352112), we get a palindrome (5753883575).

The spelling of 2112531463 in words is "two billion, one hundred twelve million, five hundred thirty-one thousand, four hundred sixty-three".

Divisors: 1 7 49 167 1169 8183 258161 1807127 12649889 43112887 301790209 2112531463