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2042645744 = 24177509727
BaseRepresentation
bin111100111000000…
…0100110011110000
312021100121011012002
41321300010303300
513140404130434
6534404553132
7101422126256
oct17160046360
95240534162
102042645744
11959024a87
124900b27a8
13267259229
141553da5d6
15be4d857e
hex79c04cf0

2042645744 has 20 divisors (see below), whose sum is σ = 4190428224. Its totient is φ = 961244928.

The previous prime is 2042645719. The next prime is 2042645767. The reversal of 2042645744 is 4475462402.

It is a junction number, because it is equal to n+sod(n) for n = 2042645698 and 2042645707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3754592 + ... + 3755135.

Almost surely, 22042645744 is an apocalyptic number.

It is an amenable number.

2042645744 is an abundant number, since it is smaller than the sum of its proper divisors (2147782480).

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

2042645744 is a wasteful number, since it uses less digits than its factorization.

2042645744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7509752 (or 7509746 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 38.

The square root of 2042645744 is about 45195.6385506389. The cubic root of 2042645744 is about 1268.8131893302.

The spelling of 2042645744 in words is "two billion, forty-two million, six hundred forty-five thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 17 34 68 136 272 7509727 15019454 30038908 60077816 120155632 127665359 255330718 510661436 1021322872 2042645744