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2055253438319 = 12577163413647
BaseRepresentation
bin11101111010000110101…
…001101010111101101111
321021110222010221100011112
4131322012221222331233
5232133124340011234
64212100445542235
7301326044660354
oct35720651527557
97243863840145
102055253438319
1172269aa928a4
122923a427497b
1311ba6a80a383
1471690bb462b
15386ddb8bace
hex1de86a6af6f

2055253438319 has 4 divisors (see below), whose sum is σ = 2055416864544. Its totient is φ = 2055090012096.

The previous prime is 2055253438307. The next prime is 2055253438339. The reversal of 2055253438319 is 9138343525502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2055253438319 is a prime.

It is a super-2 number, since 2×20552534383192 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055253438339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81694247 + ... + 81719400.

It is an arithmetic number, because the mean of its divisors is an integer number (513854216136).

Almost surely, 22055253438319 is an apocalyptic number.

2055253438319 is a deficient number, since it is larger than the sum of its proper divisors (163426225).

2055253438319 is a wasteful number, since it uses less digits than its factorization.

2055253438319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163426224.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 2055253438319 in words is "two trillion, fifty-five billion, two hundred fifty-three million, four hundred thirty-eight thousand, three hundred nineteen".

Divisors: 1 12577 163413647 2055253438319