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30532644077 = 132197917089
BaseRepresentation
bin11100011011111000…
…110010110011101101
32220210212120000200112
4130123320302303231
51000012324102302
622005420305405
72130425123015
oct343370626355
986725500615
1030532644077
1111a48977451
125b013a2265
132b57839800
14169909ac45
15bda78e552
hex71be32ced

30532644077 has 12 divisors (see below), whose sum is σ = 33229839060. Its totient is φ = 28040882688.

The previous prime is 30532644071. The next prime is 30532644097. The reversal of 30532644077 is 77044623503.

It can be written as a sum of positive squares in 6 ways, for example, as 522625321 + 30010018756 = 22861^2 + 173234^2 .

It is not a de Polignac number, because 30532644077 - 24 = 30532644061 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 (30532644071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 425252 + ... + 491837.

It is an arithmetic number, because the mean of its divisors is an integer number (2769153255).

Almost surely, 230532644077 is an apocalyptic number.

It is an amenable number.

30532644077 is a deficient number, since it is larger than the sum of its proper divisors (2697194983).

30532644077 is a wasteful number, since it uses less digits than its factorization.

30532644077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917312 (or 917299 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 41.

The spelling of 30532644077 in words is "thirty billion, five hundred thirty-two million, six hundred forty-four thousand, seventy-seven".

Divisors: 1 13 169 197 2561 33293 917089 11922157 154988041 180666533 2348664929 30532644077