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2530436661 = 321543918211
BaseRepresentation
bin1001011011010011…
…0110011000110101
320112100110111112100
42112310312120311
520140242433121
61055032012313
7116464233234
oct22664663065
96470414470
102530436661
111089402575
125a7531099
133143280cc
141a00d4b1b
15ec23e026
hex96d36635

2530436661 has 12 divisors (see below), whose sum is σ = 3655512640. Its totient is φ = 1686755880.

The previous prime is 2530436641. The next prime is 2530436669. The reversal of 2530436661 is 1666340352.

It is not a de Polignac number, because 2530436661 - 27 = 2530436533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530436669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129846 + ... + 148056.

Almost surely, 22530436661 is an apocalyptic number.

It is an amenable number.

2530436661 is a deficient number, since it is larger than the sum of its proper divisors (1125075979).

2530436661 is a wasteful number, since it uses less digits than its factorization.

2530436661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33656 (or 33653 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2530436661 is about 50303.4458163653. The cubic root of 2530436661 is about 1362.6944600937.

The spelling of 2530436661 in words is "two billion, five hundred thirty million, four hundred thirty-six thousand, six hundred sixty-one".

Divisors: 1 3 9 15439 18211 46317 54633 138951 163899 281159629 843478887 2530436661