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2146120312 = 237191283709
BaseRepresentation
bin111111111101011…
…0011001001111000
312112120022012121111
41333322303021320
513343401322222
6552542450104
7104116502350
oct17772631170
95476265544
102146120312
11a01479a56
124ba893934
1328281839b
14165053b60
15c8627777
hex7feb3278

2146120312 has 64 divisors (see below), whose sum is σ = 4645785600. Its totient is φ = 910431360.

The previous prime is 2146120289. The next prime is 2146120313. The reversal of 2146120312 is 2130216412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2146120313) 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, 3026614 + ... + 3027322.

It is an arithmetic number, because the mean of its divisors is an integer number (72590400).

Almost surely, 22146120312 is an apocalyptic number.

It is an amenable number.

2146120312 is an abundant number, since it is smaller than the sum of its proper divisors (2499665288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2146120312 is a wasteful number, since it uses less digits than its factorization.

2146120312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1192 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2146120312 is about 46326.2378355938. The cubic root of 2146120312 is about 1289.8860769134.

Adding to 2146120312 its reverse (2130216412), we get a palindrome (4276336724).

The spelling of 2146120312 in words is "two billion, one hundred forty-six million, one hundred twenty thousand, three hundred twelve".

Divisors: 1 2 4 7 8 14 28 56 191 283 382 566 709 764 1132 1337 1418 1528 1981 2264 2674 2836 3962 4963 5348 5672 7924 9926 10696 15848 19852 39704 54053 108106 135419 200647 216212 270838 378371 401294 432424 541676 756742 802588 947933 1083352 1404529 1513484 1605176 1895866 2809058 3026968 3791732 5618116 7583464 11236232 38323577 76647154 153294308 268265039 306588616 536530078 1073060156 2146120312