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82895135970 = 23531329033041
BaseRepresentation
bin100110100110011101…
…1110110010011100010
321220222002211012221010
41031030323312103202
52324232123322340
6102025334241350
75663135013153
oct1151473662342
9256862735833
1082895135970
1132179163639
12140954b6256
137a80b9191a
14402548592a
15225274bb80
hex134cef64e2

82895135970 has 64 divisors (see below), whose sum is σ = 199718348544. Its totient is φ = 22019911680.

The previous prime is 82895135969. The next prime is 82895135977. The reversal of 82895135970 is 7953159828.

It is a self number, because there is not a number n which added to its sum of digits gives 82895135970.

It is not an unprimeable number, because it can be changed into a prime (82895135977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27257650 + ... + 27260690.

It is an arithmetic number, because the mean of its divisors is an integer number (3120599196).

Almost surely, 282895135970 is an apocalyptic number.

82895135970 is an abundant number, since it is smaller than the sum of its proper divisors (116823212574).

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

82895135970 is a wasteful number, since it uses less digits than its factorization.

82895135970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6267.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 82895135970 in words is "eighty-two billion, eight hundred ninety-five million, one hundred thirty-five thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 313 626 939 1565 1878 2903 3041 3130 4695 5806 6082 8709 9123 9390 14515 15205 17418 18246 29030 30410 43545 45615 87090 91230 908639 951833 1817278 1903666 2725917 2855499 4543195 4759165 5451834 5710998 8828023 9086390 9518330 13629585 14277495 17656046 26484069 27259170 28554990 44140115 52968138 88280230 132420345 264840690 2763171199 5526342398 8289513597 13815855995 16579027194 27631711990 41447567985 82895135970