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2529131706 = 232140507317
BaseRepresentation
bin1001011010111111…
…0111110010111010
320112021000012110200
42112233313302322
520134424203311
61054544023030
7116450156553
oct22657676272
96467005420
102529131706
1110886a10a2
125a7001a76
13313c8c14a
1419dc7532a
15ec082556
hex96bf7cba

2529131706 has 12 divisors (see below), whose sum is σ = 5479785402. Its totient is φ = 843043896.

The previous prime is 2529131677. The next prime is 2529131713. The reversal of 2529131706 is 6071319252.

2529131706 is a `hidden beast` number, since 252 + 91 + 317 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1409627025 + 1119504681 = 37545^2 + 33459^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70253641 + ... + 70253676.

Almost surely, 22529131706 is an apocalyptic number.

2529131706 is an abundant number, since it is smaller than the sum of its proper divisors (2950653696).

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

2529131706 is a wasteful number, since it uses less digits than its factorization.

2529131706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140507325 (or 140507322 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 2529131706 is about 50290.4733125470. The cubic root of 2529131706 is about 1362.4601710547.

The spelling of 2529131706 in words is "two billion, five hundred twenty-nine million, one hundred thirty-one thousand, seven hundred six".

Divisors: 1 2 3 6 9 18 140507317 281014634 421521951 843043902 1264565853 2529131706