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85687742573246 = 21131915912203627
BaseRepresentation
bin10011011110111010111011…
…011101010010101010111110
3102020101200001002221202022102
4103132322323131102222332
542212401444044320441
6502124223331145102
724022510066236122
oct2336727335225276
9366350032852272
1085687742573246
1125336a70898140
12973aa37745192
1338a741cab8978
141723447773582
159d8e0509269b
hex4deebb752abe

85687742573246 has 16 divisors (see below), whose sum is σ = 140216756849280. Its totient is φ = 38948848669080.

The previous prime is 85687742573233. The next prime is 85687742573261. The reversal of 85687742573246 is 64237524778658.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919685 + ... + 13123311.

It is an arithmetic number, because the mean of its divisors is an integer number (8763547303080).

Almost surely, 285687742573246 is an apocalyptic number.

85687742573246 is a deficient number, since it is larger than the sum of its proper divisors (54529014276034).

85687742573246 is a wasteful number, since it uses less digits than its factorization.

85687742573246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12522799.

The product of its digits is 3793305600, while the sum is 74.

The spelling of 85687742573246 in words is "eighty-five trillion, six hundred eighty-seven billion, seven hundred forty-two million, five hundred seventy-three thousand, two hundred forty-six".

Divisors: 1 2 11 22 319159 638318 3510749 7021498 12203627 24407254 134239897 268479794 3894897389693 7789794779386 42843871286623 85687742573246