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2078432473 = 13212298417
BaseRepresentation
bin111101111100010…
…0101110011011001
312100211221022100111
41323320211303121
513224034314343
6542124004321
7102335245615
oct17370456331
95324838314
102078432473
11977248097
124a00906a1
132717a9100
1415a074345
15c2706c9d
hex7be25cd9

2078432473 has 6 divisors (see below), whose sum is σ = 2250610494. Its totient is φ = 1918552896.

The previous prime is 2078432459. The next prime is 2078432509. The reversal of 2078432473 is 3742348702.

It can be written as a sum of positive squares in 3 ways, for example, as 109558089 + 1968874384 = 10467^2 + 44372^2 .

It is not a de Polignac number, because 2078432473 - 213 = 2078424281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2078432423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6149040 + ... + 6149377.

It is an arithmetic number, because the mean of its divisors is an integer number (375101749).

Almost surely, 22078432473 is an apocalyptic number.

It is an amenable number.

2078432473 is a deficient number, since it is larger than the sum of its proper divisors (172178021).

2078432473 is a wasteful number, since it uses less digits than its factorization.

2078432473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12298443 (or 12298430 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 40.

The square root of 2078432473 is about 45589.8286134089. The cubic root of 2078432473 is about 1276.1801141911.

The spelling of 2078432473 in words is "two billion, seventy-eight million, four hundred thirty-two thousand, four hundred seventy-three".

Divisors: 1 13 169 12298417 159879421 2078432473