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8111255042 = 211973800963
BaseRepresentation
bin1111000110111011…
…11110111000000010
3202221021202110010102
413203131332320002
5113102440130132
63420512202402
7405001346612
oct74335767002
922837673112
108111255042
113492656a70
1216a4539402
139c35c77c7
1456d388a42
15327174c62
hex1e377ee02

8111255042 has 16 divisors (see below), whose sum is σ = 13409800992. Its totient is φ = 3648923520.

The previous prime is 8111255039. The next prime is 8111255051. The reversal of 8111255042 is 2405521118.

It is a junction number, because it is equal to n+sod(n) for n = 8111254996 and 8111255014.

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 7 ways as a sum of consecutive naturals, for example, 1898348 + ... + 1902615.

It is an arithmetic number, because the mean of its divisors is an integer number (838112562).

Almost surely, 28111255042 is an apocalyptic number.

8111255042 is a deficient number, since it is larger than the sum of its proper divisors (5298545950).

8111255042 is a wasteful number, since it uses less digits than its factorization.

8111255042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3801073.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 8111255042 is about 90062.5063053433. The cubic root of 8111255042 is about 2009.2286044323.

The spelling of 8111255042 in words is "eight billion, one hundred eleven million, two hundred fifty-five thousand, forty-two".

Divisors: 1 2 11 22 97 194 1067 2134 3800963 7601926 41810593 83621186 368693411 737386822 4055627521 8111255042