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1020916355 = 5204183271
BaseRepresentation
bin111100110110011…
…111001010000011
32122011000220221212
4330312133022003
54042323310410
6245145440335
734204434344
oct7466371203
92564026855
101020916355
1148430a628
12245aa00ab
13133681724
14998340cb
155e963b05
hex3cd9f283

1020916355 has 4 divisors (see below), whose sum is σ = 1225099632. Its totient is φ = 816733080.

The previous prime is 1020916343. The next prime is 1020916357. The reversal of 1020916355 is 5536190201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5536190201 = 6738226137.

It is not a de Polignac number, because 1020916355 - 26 = 1020916291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020916357) 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 3 ways as a sum of consecutive naturals, for example, 102091631 + ... + 102091640.

It is an arithmetic number, because the mean of its divisors is an integer number (306274908).

Almost surely, 21020916355 is an apocalyptic number.

1020916355 is a deficient number, since it is larger than the sum of its proper divisors (204183277).

1020916355 is an equidigital number, since it uses as much as digits as its factorization.

1020916355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204183276.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 1020916355 is about 31951.7817187086. The cubic root of 1020916355 is about 1006.9240650044.

The spelling of 1020916355 in words is "one billion, twenty million, nine hundred sixteen thousand, three hundred fifty-five".

Divisors: 1 5 204183271 1020916355