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85745149912 = 2318719572581
BaseRepresentation
bin100111111011011001…
…1110010011111011000
322012022201121221002001
41033312303302133120
52401101224244122
6103220224050344
76123562514542
oct1176663623730
9265281557061
1085745149912
11334009a1264
121474ba639b4
1381164806c6
144215ba8692
15236ca65527
hex13f6cf27d8

85745149912 has 16 divisors (see below), whose sum is σ = 160781025600. Its totient is φ = 42870209760.

The previous prime is 85745149907. The next prime is 85745149979. The reversal of 85745149912 is 21994154758.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 136539 + ... + 436042.

It is an arithmetic number, because the mean of its divisors is an integer number (10048814100).

Almost surely, 285745149912 is an apocalyptic number.

It is an amenable number.

85745149912 is a deficient number, since it is larger than the sum of its proper divisors (75035875688).

85745149912 is a wasteful number, since it uses less digits than its factorization.

85745149912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591306 (or 591302 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 55.

The spelling of 85745149912 in words is "eighty-five billion, seven hundred forty-five million, one hundred forty-nine thousand, nine hundred twelve".

Divisors: 1 2 4 8 18719 37438 74876 149752 572581 1145162 2290324 4580648 10718143739 21436287478 42872574956 85745149912