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869475240592 = 247192293472137
BaseRepresentation
bin11001010011100001100…
…00110100101010010000
310002010021020001122021121
430221300300310222100
5103221141130144332
61503233103532024
7116550256413610
oct14516060645220
93063236048247
10869475240592
11305819119302
121206155ba014
1363cb67803aa
14301233bca40
151793c7e8797
hexca70c34a90

869475240592 has 240 divisors, whose sum is σ = 2109040191360. Its totient is φ = 339705612288.

The previous prime is 869475240589. The next prime is 869475240637. The reversal of 869475240592 is 295042574968.

It is a self number, because there is not a number n which added to its sum of digits gives 869475240592.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 406866148 + ... + 406868284.

It is an arithmetic number, because the mean of its divisors is an integer number (8787667464).

Almost surely, 2869475240592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 869475240592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1054520095680).

869475240592 is an abundant number, since it is smaller than the sum of its proper divisors (1239564950768).

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

869475240592 is a wasteful number, since it uses less digits than its factorization.

869475240592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566 (or 2541 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 869475240592 in words is "eight hundred sixty-nine billion, four hundred seventy-five million, two hundred forty thousand, five hundred ninety-two".