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120042052305 = 3574326587387
BaseRepresentation
bin110111111001100010…
…0000101101011010001
3102110211221022002102020
41233303010011223101
53431321231133210
6131051353442053
711446516415610
oct1576304055321
9373757262366
10120042052305
1146a0067769a
121b321a10329
13b420b1c0a6
145b4ab71877
1531c8a10770
hex1bf3105ad1

120042052305 has 32 divisors (see below), whose sum is σ = 224610253824. Its totient is φ = 53600170176.

The previous prime is 120042052297. The next prime is 120042052327. The reversal of 120042052305 is 503250240021.

It is not a de Polignac number, because 120042052305 - 23 = 120042052297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13289179 + ... + 13298208.

It is an arithmetic number, because the mean of its divisors is an integer number (7019070432).

Almost surely, 2120042052305 is an apocalyptic number.

120042052305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120042052305 is a deficient number, since it is larger than the sum of its proper divisors (104568201519).

120042052305 is a wasteful number, since it uses less digits than its factorization.

120042052305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26587445.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 120042052305 its reverse (503250240021), we get a palindrome (623292292326).

The spelling of 120042052305 in words is "one hundred twenty billion, forty-two million, fifty-two thousand, three hundred five".

Divisors: 1 3 5 7 15 21 35 43 105 129 215 301 645 903 1505 4515 26587387 79762161 132936935 186111709 398810805 558335127 930558545 1143257641 2791675635 3429772923 5716288205 8002803487 17148864615 24008410461 40014017435 120042052305