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5305531430440 = 235239329554209
BaseRepresentation
bin100110100110100101001…
…0100001111011000101000
3200210012111121101221020101
41031031022110033120220
51143411212021233230
615141154423235144
71055212005033043
oct115151224173050
920705447357211
105305531430440
1117660771a537a
127182b78a8ab4
132c6403b8c927
14144b093a3c5a
159302080caca
hex4d34a50f628

5305531430440 has 32 divisors (see below), whose sum is σ = 11937517137000. Its totient is φ = 2122199875584.

The previous prime is 5305531430371. The next prime is 5305531430443. The reversal of 5305531430440 is 440341355035.

It can be written as a sum of positive squares in 4 ways, for example, as 4449458671876 + 856072758564 = 2109374^2 + 925242^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5305531430440.

It is not an unprimeable number, because it can be changed into a prime (5305531430443) 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 7 ways as a sum of consecutive naturals, for example, 9296056 + ... + 9850264.

Almost surely, 25305531430440 is an apocalyptic number.

It is an amenable number.

5305531430440 is an abundant number, since it is smaller than the sum of its proper divisors (6631985706560).

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

5305531430440 is a wasteful number, since it uses less digits than its factorization.

5305531430440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793549 (or 793545 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 5305531430440 its reverse (440341355035), we get a palindrome (5745872785475).

The spelling of 5305531430440 in words is "five trillion, three hundred five billion, five hundred thirty-one million, four hundred thirty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 239329 478658 554209 957316 1108418 1196645 1914632 2216836 2393290 2771045 4433672 4786580 5542090 9573160 11084180 22168360 132638285761 265276571522 530553143044 663191428805 1061106286088 1326382857610 2652765715220 5305531430440