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8083649745 = 34531643859
BaseRepresentation
bin1111000011101001…
…01011010011010001
3202212100210221210000
413201310223103101
5113023403242440
63414044400213
7404214613653
oct74164532321
922770727700
108083649745
113479011776
121697246069
139ba980802
145698406d3
15324a20730
hex1e1d2b4d1

8083649745 has 40 divisors (see below), whose sum is σ = 14958155520. Its totient is φ = 4172199840.

The previous prime is 8083649723. The next prime is 8083649771. The reversal of 8083649745 is 5479463808.

8083649745 is a `hidden beast` number, since 80 + 8 + 36 + 497 + 45 = 666.

It is not a de Polignac number, because 8083649745 - 26 = 8083649681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8083649691 and 8083649700.

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 39 ways as a sum of consecutive naturals, for example, 309375 + ... + 334484.

It is an arithmetic number, because the mean of its divisors is an integer number (373953888).

Almost surely, 28083649745 is an apocalyptic number.

It is an amenable number.

8083649745 is a deficient number, since it is larger than the sum of its proper divisors (6874505775).

8083649745 is a wasteful number, since it uses less digits than its factorization.

8083649745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643907 (or 643898 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The square root of 8083649745 is about 89909.1193650566. The cubic root of 8083649745 is about 2006.9466561328.

The spelling of 8083649745 in words is "eight billion, eighty-three million, six hundred forty-nine thousand, seven hundred forty-five".

Divisors: 1 3 5 9 15 27 31 45 81 93 135 155 279 405 465 837 1395 2511 4185 12555 643859 1931577 3219295 5794731 9657885 17384193 19959629 28973655 52152579 59878887 86920965 99798145 179636661 260762895 299394435 538909983 898183305 1616729949 2694549915 8083649745