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85930247645 = 51113740927883
BaseRepresentation
bin101000000000111010…
…1111000010111011101
322012210121220212102122
41100001311320113131
52401441120411040
6103250435232325
76131301024224
oct1200165702735
9265717825378
1085930247645
11334964259a0
12147a1a486a5
13814591a9a8
1442325cbcbb
15237de291b5
hex1401d785dd

85930247645 has 32 divisors (see below), whose sum is σ = 113592723840. Its totient is φ = 61884656640.

The previous prime is 85930247581. The next prime is 85930247677. The reversal of 85930247645 is 54674203958.

It is not a de Polignac number, because 85930247645 - 26 = 85930247581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3067874 + ... + 3095756.

It is an arithmetic number, because the mean of its divisors is an integer number (3549772620).

Almost surely, 285930247645 is an apocalyptic number.

It is an amenable number.

85930247645 is a deficient number, since it is larger than the sum of its proper divisors (27662476195).

85930247645 is a wasteful number, since it uses less digits than its factorization.

85930247645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28445.

The product of its (nonzero) digits is 7257600, while the sum is 53.

The spelling of 85930247645 in words is "eighty-five billion, nine hundred thirty million, two hundred forty-seven thousand, six hundred forty-five".

Divisors: 1 5 11 55 137 409 685 1507 2045 4499 7535 22495 27883 56033 139415 280165 306713 616363 1533565 3081815 3819971 11404147 19099855 42019681 57020735 125445617 210098405 627228085 1562368139 7811840695 17186049529 85930247645