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20056415153 = 100391199783
BaseRepresentation
bin10010101011011101…
…001001101110110001
31220202202200110021212
4102223131021232301
5312033420241103
613114102325505
71310005500365
oct225335115661
956682613255
1020056415153
118562361615
123a78a29895
131b7829ac98
14d839ad2a5
157c5bb17d8
hex4ab749bb1

20056415153 has 4 divisors (see below), whose sum is σ = 20056715328. Its totient is φ = 20056114980.

The previous prime is 20056415129. The next prime is 20056415221. The reversal of 20056415153 is 35151465002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 20056415153 - 210 = 20056414129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20056465153) 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 3 ways as a sum of consecutive naturals, for example, 500 + ... + 200282.

It is an arithmetic number, because the mean of its divisors is an integer number (5014178832).

Almost surely, 220056415153 is an apocalyptic number.

It is an amenable number.

20056415153 is a deficient number, since it is larger than the sum of its proper divisors (300175).

20056415153 is a wasteful number, since it uses less digits than its factorization.

20056415153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300174.

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 20056415153 in words is "twenty billion, fifty-six million, four hundred fifteen thousand, one hundred fifty-three".

Divisors: 1 100391 199783 20056415153