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85072525707 = 31319197958013
BaseRepresentation
bin100111100111010110…
…1111011100110001011
322010120211222002010110
41033032231323212023
52343212031310312
6103025355245403
76101114352201
oct1171655734613
9263524862113
1085072525707
113309624a794
12145a2749863
13803a007a10
144190719071
15232d99e43c
hex13ceb7b98b

85072525707 has 32 divisors (see below), whose sum is σ = 128651846400. Its totient is φ = 49571021952.

The previous prime is 85072525661. The next prime is 85072525721. The reversal of 85072525707 is 70752527058.

It is not a de Polignac number, because 85072525707 - 214 = 85072509323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85072525807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1437433 + ... + 1495445.

It is an arithmetic number, because the mean of its divisors is an integer number (4020370200).

Almost surely, 285072525707 is an apocalyptic number.

85072525707 is a deficient number, since it is larger than the sum of its proper divisors (43579320693).

85072525707 is a wasteful number, since it uses less digits than its factorization.

85072525707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60027.

The product of its (nonzero) digits is 1372000, while the sum is 48.

The spelling of 85072525707 in words is "eighty-five billion, seventy-two million, five hundred twenty-five thousand, seven hundred seven".

Divisors: 1 3 13 19 39 57 247 741 1979 5937 25727 37601 58013 77181 112803 174039 488813 754169 1102247 1466439 2262507 3306741 14329211 42987633 114807727 344423181 1492500451 2181346813 4477501353 6544040439 28357508569 85072525707