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2154745082 = 272112233271
BaseRepresentation
bin1000000001101110…
…1100110011111010
312120011112101120102
42000123230303322
513403103320312
6553451355402
7104253013430
oct20033546372
95504471512
102154745082
11a0632a966
12501752b62
13284547cb9
1416625ad50
15c927cec2
hex806eccfa

2154745082 has 32 divisors (see below), whose sum is σ = 3729137664. Its totient is φ = 914684400.

The previous prime is 2154745081. The next prime is 2154745123. The reversal of 2154745082 is 2805474512.

2154745082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2154745081) 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, 657107 + ... + 660377.

It is an arithmetic number, because the mean of its divisors is an integer number (116535552).

Almost surely, 22154745082 is an apocalyptic number.

2154745082 is a deficient number, since it is larger than the sum of its proper divisors (1574392582).

2154745082 is a wasteful number, since it uses less digits than its factorization.

2154745082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714.

The product of its (nonzero) digits is 89600, while the sum is 38.

The square root of 2154745082 is about 46419.2318118256. The cubic root of 2154745082 is about 1291.6116870686.

The spelling of 2154745082 in words is "two billion, one hundred fifty-four million, seven hundred forty-five thousand, eighty-two".

Divisors: 1 2 7 14 211 223 422 446 1477 1561 2954 3122 3271 6542 22897 45794 47053 94106 329371 658742 690181 729433 1380362 1458866 4831267 5106031 9662534 10212062 153910363 307820726 1077372541 2154745082