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105820074755 = 52915719124337
BaseRepresentation
bin110001010001101011…
…1100011001100000011
3101010010210010202212222
41202203113203030003
53213204414343010
6120340231241255
710434214536323
oct1424327431403
9333123122788
10105820074755
114097274543a
1218612b1922b
139c9552c665
14519bdd5283
152b45181355
hex18a35e3303

105820074755 has 32 divisors (see below), whose sum is σ = 132897162240. Its totient is φ = 80787732480.

The previous prime is 105820074739. The next prime is 105820074781. The reversal of 105820074755 is 557470028501.

It is not a de Polignac number, because 105820074755 - 24 = 105820074739 is a prime.

It is a super-2 number, since 2×1058200747552 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4335947 + ... + 4360283.

It is an arithmetic number, because the mean of its divisors is an integer number (4153036320).

Almost surely, 2105820074755 is an apocalyptic number.

105820074755 is a deficient number, since it is larger than the sum of its proper divisors (27077087485).

105820074755 is a wasteful number, since it uses less digits than its factorization.

105820074755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24719.

The product of its (nonzero) digits is 392000, while the sum is 44.

The spelling of 105820074755 in words is "one hundred five billion, eight hundred twenty million, seventy-four thousand, seven hundred fifty-five".

Divisors: 1 5 29 145 157 191 785 955 4553 5539 22765 24337 27695 29987 121685 149935 705773 869623 3528865 3820909 4348115 4648367 19104545 23241835 110806361 134802643 554031805 674013215 729793619 3648968095 21164014951 105820074755