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20480010847 = 537115593491
BaseRepresentation
bin10011000100101101…
…000010101001011111
31221212021202100100021
4103010231002221133
5313420340321342
613224113413011
71323341135302
oct230455025137
957767670307
1020480010847
11875a4832aa
123b7686a167
131c14c8151a
14dc3d56b39
157ece86567
hex4c4b42a5f

20480010847 has 16 divisors (see below), whose sum is σ = 21179957760. Its totient is φ = 19792208800.

The previous prime is 20480010839. The next prime is 20480010869. The reversal of 20480010847 is 74801008402.

It is a cyclic number.

It is not a de Polignac number, because 20480010847 - 23 = 20480010839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20480010247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5864772 + ... + 5868262.

It is an arithmetic number, because the mean of its divisors is an integer number (1323747360).

Almost surely, 220480010847 is an apocalyptic number.

20480010847 is a deficient number, since it is larger than the sum of its proper divisors (699946913).

20480010847 is a wasteful number, since it uses less digits than its factorization.

20480010847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5174.

The product of its (nonzero) digits is 14336, while the sum is 34.

The spelling of 20480010847 in words is "twenty billion, four hundred eighty million, ten thousand, eight hundred forty-seven".

Divisors: 1 53 71 1559 3491 3763 82627 110689 185023 247861 5442469 5866517 13136633 288450857 386415299 20480010847