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82897082742285 = 32572341472159113
BaseRepresentation
bin10010110110010011111011…
…001010110111011000001101
3101212111212212020010220120100
4102312103323022313120031
541331141211140223120
6452150221042041313
723314054663120410
oct2266237312673015
9355455766126510
1082897082742285
11244605010a3929
12936a015349239
13373421367b796
141668351201b77
1598b523c95490
hex4b64fb2b760d

82897082742285 has 192 divisors, whose sum is σ = 175574504641536. Its totient is φ = 35355974860800.

The previous prime is 82897082742277. The next prime is 82897082742311. The reversal of 82897082742285 is 58224728079828.

82897082742285 is a `hidden beast` number, since 8 + 2 + 8 + 9 + 70 + 8 + 274 + 2 + 285 = 666.

It is not a de Polignac number, because 82897082742285 - 23 = 82897082742277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1402319889 + ... + 1402379001.

It is an arithmetic number, because the mean of its divisors is an integer number (914450545008).

Almost surely, 282897082742285 is an apocalyptic number.

It is an amenable number.

82897082742285 is an abundant number, since it is smaller than the sum of its proper divisors (92677421899251).

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

82897082742285 is a wasteful number, since it uses less digits than its factorization.

82897082742285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63916 (or 63913 counting only the distinct ones).

The product of its (nonzero) digits is 578027520, while the sum is 72.

The spelling of 82897082742285 in words is "eighty-two trillion, eight hundred ninety-seven billion, eighty-two million, seven hundred forty-two thousand, two hundred eighty-five".