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245451434051 = 19181586912161
BaseRepresentation
bin1110010010011000001…
…0111010100001000011
3212110112221011202122202
43210212002322201003
513010141031342201
6304431524023415
723506341523355
oct3444602724103
9773487152582
10245451434051
1195105a3233a
123b6a1231b6b
131a1b890c955
14bc466a30d5
1565b8835c6b
hex39260ba843

245451434051 has 16 divisors (see below), whose sum is σ = 259863021600. Its totient is φ = 231189811200.

The previous prime is 245451434027. The next prime is 245451434093. The reversal of 245451434051 is 150434154542.

It is not a de Polignac number, because 245451434051 - 214 = 245451417667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245451433996 and 245451434014.

It is not an unprimeable number, because it can be changed into a prime (245451431051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20177411 + ... + 20189571.

It is an arithmetic number, because the mean of its divisors is an integer number (16241438850).

Almost surely, 2245451434051 is an apocalyptic number.

245451434051 is a deficient number, since it is larger than the sum of its proper divisors (14411587549).

245451434051 is a wasteful number, since it uses less digits than its factorization.

245451434051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18230.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 245451434051 its reverse (150434154542), we get a palindrome (395885588593).

The spelling of 245451434051 in words is "two hundred forty-five billion, four hundred fifty-one million, four hundred thirty-four thousand, fifty-one".

Divisors: 1 19 181 3439 5869 12161 111511 231059 1062289 2201141 20183491 41821679 71372909 1356085271 12918496529 245451434051