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85816156000 = 255321454039
BaseRepresentation
bin100111111101100001…
…0101001111101100000
322012111200020102010011
41033323002221331200
52401222413443000
6103231242014304
76125414201431
oct1177302517540
9265450212104
1085816156000
1133437a8a183
121476b7a7394
1381280b2143
1442213ad488
152373dde2ba
hex13fb0a9f60

85816156000 has 48 divisors (see below), whose sum is σ = 210850305120. Its totient is φ = 34326460800.

The previous prime is 85816155917. The next prime is 85816156001. The reversal of 85816156000 is 65161858.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85816156001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10723020 + ... + 10731019.

It is an arithmetic number, because the mean of its divisors is an integer number (4392714690).

Almost surely, 285816156000 is an apocalyptic number.

85816156000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85816156000 is an abundant number, since it is smaller than the sum of its proper divisors (125034149120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85816156000 is a wasteful number, since it uses less digits than its factorization.

85816156000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21454064 (or 21454046 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The spelling of 85816156000 in words is "eighty-five billion, eight hundred sixteen million, one hundred fifty-six thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 21454039 42908078 85816156 107270195 171632312 214540390 343264624 429080780 536350975 686529248 858161560 1072701950 1716323120 2145403900 2681754875 3432646240 4290807800 5363509750 8581615600 10727019500 17163231200 21454039000 42908078000 85816156000