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425657046885 = 35722318178819
BaseRepresentation
bin1100011000110110010…
…00110001011101100101
31111200200202211101200120
412030123020301131211
523433221201000020
6523313311432153
742516115125660
oct6143310613545
91450622741616
10425657046885
1115457a340484
126a5b3825659
13311a70251a5
141685d9026d7
15b114106740
hex631b231765

425657046885 has 32 divisors (see below), whose sum is σ = 781834690560. Its totient is φ = 193713484608.

The previous prime is 425657046853. The next prime is 425657046901. The reversal of 425657046885 is 588640756524.

It is not a de Polignac number, because 425657046885 - 25 = 425657046853 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 9065995 + ... + 9112824.

It is an arithmetic number, because the mean of its divisors is an integer number (24432334080).

Almost surely, 2425657046885 is an apocalyptic number.

It is an amenable number.

425657046885 is a deficient number, since it is larger than the sum of its proper divisors (356177643675).

425657046885 is a wasteful number, since it uses less digits than its factorization.

425657046885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18179057.

The product of its (nonzero) digits is 64512000, while the sum is 60.

The spelling of 425657046885 in words is "four hundred twenty-five billion, six hundred fifty-seven million, forty-six thousand, eight hundred eighty-five".

Divisors: 1 3 5 7 15 21 35 105 223 669 1115 1561 3345 4683 7805 23415 18178819 54536457 90894095 127251733 272682285 381755199 636258665 1908775995 4053876637 12161629911 20269383185 28377136459 60808149555 85131409377 141885682295 425657046885