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11754742747 = 115371283979
BaseRepresentation
bin10101111001010001…
…10010001111011011
31010100012121210122111
422330220302033123
5143033203231442
65222224533151
7564202444006
oct127450621733
933305553574
1011754742747
114a92278230
1223407811b7
1311543c2aa7
147d721853d
1548be76b17
hex2bca323db

11754742747 has 16 divisors (see below), whose sum is σ = 13249370880. Its totient is φ = 10336799200.

The previous prime is 11754742721. The next prime is 11754742751. The reversal of 11754742747 is 74724745711.

It is a cyclic number.

It is not a de Polignac number, because 11754742747 - 231 = 9607259099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11754742747.

It is not an unprimeable number, because it can be changed into a prime (11754742247) by changing a digit.

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, 100597 + ... + 183382.

It is an arithmetic number, because the mean of its divisors is an integer number (828085680).

Almost surely, 211754742747 is an apocalyptic number.

11754742747 is a deficient number, since it is larger than the sum of its proper divisors (1494628133).

11754742747 is a wasteful number, since it uses less digits than its factorization.

11754742747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284114.

The product of its digits is 1536640, while the sum is 49.

The spelling of 11754742747 in words is "eleven billion, seven hundred fifty-four million, seven hundred forty-two thousand, seven hundred forty-seven".

Divisors: 1 11 53 71 583 781 3763 41393 283979 3123769 15050887 20162509 165559757 221787599 1068612977 11754742747