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2530505005278 = 231945259490453
BaseRepresentation
bin100100110100101101110…
…110100001100011011110
322221220200020121101120220
4210310231312201203132
5312424433240132103
65214255320222210
7350552162435025
oct44645566414336
98856606541526
102530505005278
118961aa118248
1234a51900a966
13154819592613
148a6972178bc
1545c56c40c53
hex24d2dda18de

2530505005278 has 32 divisors (see below), whose sum is σ = 5327507529600. Its totient is φ = 799087558176.

The previous prime is 2530505005247. The next prime is 2530505005283. The reversal of 2530505005278 is 8725005050352.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4914300 + ... + 5404752.

It is an arithmetic number, because the mean of its divisors is an integer number (166484610300).

Almost surely, 22530505005278 is an apocalyptic number.

2530505005278 is an abundant number, since it is smaller than the sum of its proper divisors (2797002524322).

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

2530505005278 is a wasteful number, since it uses less digits than its factorization.

2530505005278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535736.

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 2530505005278 in words is "two trillion, five hundred thirty billion, five hundred five million, five thousand, two hundred seventy-eight".

Divisors: 1 2 3 6 19 38 57 114 45259 90518 135777 271554 490453 859921 980906 1471359 1719842 2579763 2942718 5159526 9318607 18637214 27955821 55911642 22197412327 44394824654 66592236981 133184473962 421750834213 843501668426 1265252502639 2530505005278