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85283380128 = 2537112512233
BaseRepresentation
bin100111101101101001…
…0010001101110100000
322011010112201121000110
41033123102101232200
52344130021131003
6103102330451320
76106254525132
oct1173322215640
9264115647013
1085283380128
1133194276841
1214641293b40
1380718c274b
1441b0725052
15234224ea03
hex13db491ba0

85283380128 has 48 divisors (see below), whose sum is σ = 227021973696. Its totient is φ = 28027399680.

The previous prime is 85283380111. The next prime is 85283380129. The reversal of 85283380128 is 82108338258.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (85283380129) 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, 6249301 + ... + 6262932.

It is an arithmetic number, because the mean of its divisors is an integer number (4729624452).

Almost surely, 285283380128 is an apocalyptic number.

It is an amenable number.

85283380128 is an abundant number, since it is smaller than the sum of its proper divisors (141738593568).

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

85283380128 is a wasteful number, since it uses less digits than its factorization.

85283380128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512317 (or 12512309 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 85283380128 in words is "eighty-five billion, two hundred eighty-three million, three hundred eighty thousand, one hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 71 96 142 213 284 426 568 852 1136 1704 2272 3408 6816 12512233 25024466 37536699 50048932 75073398 100097864 150146796 200195728 300293592 400391456 600587184 888368543 1201174368 1776737086 2665105629 3553474172 5330211258 7106948344 10660422516 14213896688 21320845032 28427793376 42641690064 85283380128