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245500130033 = 1009243310337
BaseRepresentation
bin1110010010100011110…
…0101011001011110001
3212110200022210202222122
43210220330223023301
513010241013130113
6304440423444025
723510502450224
oct3445074531361
9773608722878
10245500130033
1195130472354
123b6b55b6615
131a1c5a2c642
14bc4cd3b5bb
1565bcc54408
hex3928f2b2f1

245500130033 has 4 divisors (see below), whose sum is σ = 245743441380. Its totient is φ = 245256818688.

The previous prime is 245500129997. The next prime is 245500130107. The reversal of 245500130033 is 330031005542.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67199155984 + 178300974049 = 259228^2 + 422257^2 .

It is a cyclic number.

It is not a de Polignac number, because 245500130033 - 26 = 245500129969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245500129984 and 245500130011.

It is not an unprimeable number, because it can be changed into a prime (245500100033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121654160 + ... + 121656177.

It is an arithmetic number, because the mean of its divisors is an integer number (61435860345).

Almost surely, 2245500130033 is an apocalyptic number.

It is an amenable number.

245500130033 is a deficient number, since it is larger than the sum of its proper divisors (243311347).

245500130033 is a wasteful number, since it uses less digits than its factorization.

245500130033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243311346.

The product of its (nonzero) digits is 5400, while the sum is 26.

Adding to 245500130033 its reverse (330031005542), we get a palindrome (575531135575).

The spelling of 245500130033 in words is "two hundred forty-five billion, five hundred million, one hundred thirty thousand, thirty-three".

Divisors: 1 1009 243310337 245500130033