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20124301242 = 2317701928109
BaseRepresentation
bin10010101111100000…
…000111011110111010
31220221111102102111110
4102233200013132322
5312203310114432
613124525341150
71311461511123
oct225740073672
956844372443
1020124301242
118597709421
123a977077b6
131b89379576
14d8ca0104a
157cbb20dcc
hex4af8077ba

20124301242 has 32 divisors (see below), whose sum is σ = 42623755200. Its totient is φ = 6312382208.

The previous prime is 20124301229. The next prime is 20124301271. The reversal of 20124301242 is 24210342102.

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 15 ways as a sum of consecutive naturals, for example, 701884 + ... + 729992.

It is an arithmetic number, because the mean of its divisors is an integer number (1331992350).

Almost surely, 220124301242 is an apocalyptic number.

20124301242 is an abundant number, since it is smaller than the sum of its proper divisors (22499453958).

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

20124301242 is a wasteful number, since it uses less digits than its factorization.

20124301242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35150.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20124301242 its reverse (24210342102), we get a palindrome (44334643344).

The spelling of 20124301242 in words is "twenty billion, one hundred twenty-four million, three hundred one thousand, two hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 7019 14038 21057 28109 42114 56218 84327 119323 168654 238646 357969 477853 715938 955706 1433559 2867118 197297071 394594142 591891213 1183782426 3354050207 6708100414 10062150621 20124301242