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2154055312 = 24178399439
BaseRepresentation
bin1000000001100100…
…0100011010010000
312120010020100101101
42000121010122100
513402414232222
6553424514144
7104244111433
oct20031043220
95503210341
102154055312
11a059a9702
1250147b954
13284366056
1416611b81a
15c9193927
hex80644690

2154055312 has 40 divisors (see below), whose sum is σ = 4424716800. Its totient is φ = 1012357632.

The previous prime is 2154055283. The next prime is 2154055313. The reversal of 2154055312 is 2135504512.

It is not an unprimeable number, because it can be changed into a prime (2154055313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223489 + ... + 232927.

It is an arithmetic number, because the mean of its divisors is an integer number (110617920).

Almost surely, 22154055312 is an apocalyptic number.

It is an amenable number.

2154055312 is an abundant number, since it is smaller than the sum of its proper divisors (2270661488).

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

2154055312 is a wasteful number, since it uses less digits than its factorization.

2154055312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303 (or 10297 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2154055312 is about 46411.8014302397. The cubic root of 2154055312 is about 1291.4738501796.

Adding to 2154055312 its reverse (2135504512), we get a palindrome (4289559824).

The spelling of 2154055312 in words is "two billion, one hundred fifty-four million, fifty-five thousand, three hundred twelve".

Divisors: 1 2 4 8 16 17 34 68 136 272 839 1678 3356 6712 9439 13424 14263 18878 28526 37756 57052 75512 114104 151024 160463 228208 320926 641852 1283704 2567408 7919321 15838642 31677284 63354568 126709136 134628457 269256914 538513828 1077027656 2154055312