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2112531230 = 251453145391
BaseRepresentation
bin111110111101010…
…1010101100011110
312110020002201001102
41331322222230132
513311301444410
6545342513102
7103231135115
oct17572525436
95406081042
102112531230
11994517a87
124ab595792
132788878a4
141607ccc7c
15c56e02a5
hex7deaab1e

2112531230 has 16 divisors (see below), whose sum is σ = 3805199424. Its totient is φ = 844425120.

The previous prime is 2112531229. The next prime is 2112531257. The reversal of 2112531230 is 321352112.

It is a super-3 number, since 3×21125312303 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58166 + ... + 87225.

It is an arithmetic number, because the mean of its divisors is an integer number (237824964).

Almost surely, 22112531230 is an apocalyptic number.

2112531230 is a deficient number, since it is larger than the sum of its proper divisors (1692668194).

2112531230 is a wasteful number, since it uses less digits than its factorization.

2112531230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146851.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2112531230 is about 45962.2805134819. The cubic root of 2112531230 is about 1283.1212948530.

Adding to 2112531230 its reverse (321352112), we get a palindrome (2433883342).

The spelling of 2112531230 in words is "two billion, one hundred twelve million, five hundred thirty-one thousand, two hundred thirty".

Divisors: 1 2 5 10 1453 2906 7265 14530 145391 290782 726955 1453910 211253123 422506246 1056265615 2112531230