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85407534048 = 253889661813
BaseRepresentation
bin100111110001010101…
…1111000101111100000
322011110012100021011210
41033202223320233200
52344403312042143
6103122523510120
76112323026664
oct1174253705740
9264405307153
1085407534048
1133248365491
1214676988340
1380915422c5
1441c30028a4
15234d0c6033
hex13e2af8be0

85407534048 has 24 divisors (see below), whose sum is σ = 224194777128. Its totient is φ = 28469177984.

The previous prime is 85407534041. The next prime is 85407534053. The reversal of 85407534048 is 84043570458.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a junction number, because it is equal to n+sod(n) for n = 85407533988 and 85407534006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85407534041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 444830811 + ... + 444831002.

It is an arithmetic number, because the mean of its divisors is an integer number (9341449047).

Almost surely, 285407534048 is an apocalyptic number.

It is an amenable number.

85407534048 is an abundant number, since it is smaller than the sum of its proper divisors (138787243080).

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

85407534048 is a wasteful number, since it uses less digits than its factorization.

85407534048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889661826 (or 889661818 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 85407534048 in words is "eighty-five billion, four hundred seven million, five hundred thirty-four thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 889661813 1779323626 2668985439 3558647252 5337970878 7117294504 10675941756 14234589008 21351883512 28469178016 42703767024 85407534048