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2111212132 = 221986332189
BaseRepresentation
bin111110111010110…
…1000101001100100
312110010121200120221
41331311220221210
513310432242012
6545254334124
7103214002261
oct17565505144
95403550527
102111212132
119937a6a17
124ab05a344
13278515363
14160568268
15c552e507
hex7dd68a64

2111212132 has 24 divisors (see below), whose sum is σ = 3893702400. Its totient is φ = 998858016.

The previous prime is 2111212097. The next prime is 2111212157. The reversal of 2111212132 is 2312121112.

It is an unprimeable number.

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, 49494 + ... + 81682.

It is an arithmetic number, because the mean of its divisors is an integer number (162237600).

Almost surely, 22111212132 is an apocalyptic number.

It is an amenable number.

2111212132 is a deficient number, since it is larger than the sum of its proper divisors (1782490268).

2111212132 is a wasteful number, since it uses less digits than its factorization.

2111212132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33075 (or 33073 counting only the distinct ones).

The product of its digits is 48, while the sum is 16.

The square root of 2111212132 is about 45947.9284843180. The cubic root of 2111212132 is about 1282.8541721521.

Adding to 2111212132 its reverse (2312121112), we get a palindrome (4423333244).

The spelling of 2111212132 in words is "two billion, one hundred eleven million, two hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 19 38 76 863 1726 3452 16397 32189 32794 64378 65588 128756 611591 1223182 2446364 27779107 55558214 111116428 527803033 1055606066 2111212132