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2780300000255 = 5556060000051
BaseRepresentation
bin101000011101010110110…
…010110011101111111111
3100211210102212221220200112
4220131112302303233333
5331023023300002010
65525130250020235
7404604266033351
oct50352662635777
910753385856615
102780300000255
11982133960158
1238aa10a1767b
1317224803405b
14987d27030d1
154c4c6a62a05
hex28756cb3bff

2780300000255 has 4 divisors (see below), whose sum is σ = 3336360000312. Its totient is φ = 2224240000200.

The previous prime is 2780300000251. The next prime is 2780300000381. The reversal of 2780300000255 is 5520000030872.

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

It is not a de Polignac number, because 2780300000255 - 22 = 2780300000251 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 (2780300000251) 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, 278030000021 + ... + 278030000030.

It is an arithmetic number, because the mean of its divisors is an integer number (834090000078).

Almost surely, 22780300000255 is an apocalyptic number.

2780300000255 is a deficient number, since it is larger than the sum of its proper divisors (556060000057).

2780300000255 is an equidigital number, since it uses as much as digits as its factorization.

2780300000255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556060000056.

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 2780300000255 in words is "two trillion, seven hundred eighty billion, three hundred million, two hundred fifty-five", and thus it is an aban number.

Divisors: 1 5 556060000051 2780300000255