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2584138045664 = 25721648047223
BaseRepresentation
bin100101100110101010101…
…000010101100011100000
3100011001010000122010201002
4211212222220111203200
5314314303314430124
65255045302331132
7354461230653200
oct45465250254340
910131100563632
102584138045664
11906a2161630a
123589a6729aa8
131598b5c10286
148d104258400
15473455220ae
hex259aaa158e0

2584138045664 has 36 divisors (see below), whose sum is σ = 5918137581384. Its totient is φ = 1107487733184.

The previous prime is 2584138045609. The next prime is 2584138045669. The reversal of 2584138045664 is 4665408314852.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2584138045669) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 824022044 + ... + 824025179.

It is an arithmetic number, because the mean of its divisors is an integer number (164392710594).

Almost surely, 22584138045664 is an apocalyptic number.

It is an amenable number.

2584138045664 is an abundant number, since it is smaller than the sum of its proper divisors (3333999535720).

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

2584138045664 is a wasteful number, since it uses less digits than its factorization.

2584138045664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648047247 (or 1648047232 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 56.

The spelling of 2584138045664 in words is "two trillion, five hundred eighty-four billion, one hundred thirty-eight million, forty-five thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 1648047223 3296094446 6592188892 11536330561 13184377784 23072661122 26368755568 46145322244 52737511136 80754313927 92290644488 161508627854 184581288976 323017255708 369162577952 646034511416 1292069022832 2584138045664