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20053500415 = 513308515391
BaseRepresentation
bin10010101011010010…
…000010000111111111
31220202120012101000121
4102223102002013333
5312032144003130
613113520035411
71306641640534
oct225322020777
956676171017
1020053500415
118560750743
123a77a62b67
131b777ba3a0
14d83450d8b
157c57d7d7a
hex4ab4821ff

20053500415 has 8 divisors (see below), whose sum is σ = 25915292928. Its totient is φ = 14808738720.

The previous prime is 20053500367. The next prime is 20053500419. The reversal of 20053500415 is 51400535002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20053500415 - 221 = 20051403263 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20053500415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20053500419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154257631 + ... + 154257760.

It is an arithmetic number, because the mean of its divisors is an integer number (3239411616).

Almost surely, 220053500415 is an apocalyptic number.

20053500415 is a deficient number, since it is larger than the sum of its proper divisors (5861792513).

20053500415 is a wasteful number, since it uses less digits than its factorization.

20053500415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308515409.

The product of its (nonzero) digits is 3000, while the sum is 25.

The spelling of 20053500415 in words is "twenty billion, fifty-three million, five hundred thousand, four hundred fifteen".

Divisors: 1 5 13 65 308515391 1542576955 4010700083 20053500415