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3124142145 = 325611935897
BaseRepresentation
bin1011101000110110…
…1010000001000001
322001201121212100100
42322031222001001
522344240022040
61234001113013
7140263525065
oct27215520101
98051555310
103124142145
111363551263
12732328769
133aa32b927
14218cbdaa5
15134416b30
hexba36a041

3124142145 has 48 divisors (see below), whose sum is σ = 5533409232. Its totient is φ = 1630126080.

The previous prime is 3124142111. The next prime is 3124142159. The reversal of 3124142145 is 5412414213.

3124142145 is a `hidden beast` number, since 31 + 2 + 414 + 214 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 205549569 + 2918592576 = 14337^2 + 54024^2 .

It is not a de Polignac number, because 3124142145 - 27 = 3124142017 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 526837 + ... + 532733.

It is an arithmetic number, because the mean of its divisors is an integer number (115279359).

Almost surely, 23124142145 is an apocalyptic number.

It is an amenable number.

3124142145 is a deficient number, since it is larger than the sum of its proper divisors (2409267087).

3124142145 is a wasteful number, since it uses less digits than its factorization.

3124142145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6162 (or 6159 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 3124142145 is about 55894.0260224650. The cubic root of 3124142145 is about 1461.8750764238.

Adding to 3124142145 its reverse (5412414213), we get a palindrome (8536556358).

The spelling of 3124142145 in words is "three billion, one hundred twenty-four million, one hundred forty-two thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 61 183 193 305 549 579 915 965 1737 2745 2895 5897 8685 11773 17691 29485 35319 53073 58865 88455 105957 176595 265365 359717 529785 1079151 1138121 1798585 3237453 3414363 5395755 5690605 10243089 16187265 17071815 51215445 69425381 208276143 347126905 624828429 1041380715 3124142145