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2280779910381 = 37231146996351
BaseRepresentation
bin100001001100001001000…
…100111000110011101101
322002001002110210011101010
4201030021010320303231
5244332014124113011
64503435324535433
7323531565235620
oct41141104706355
98061073704333
102280779910381
117aa3008882a5
1230a0446b1579
131370cc45608b
147c567125db7
153e4dd12a1a6
hex21309138ced

2280779910381 has 16 divisors (see below), whose sum is σ = 3476978106368. Its totient is φ = 1302738822000.

The previous prime is 2280779910373. The next prime is 2280779910433. The reversal of 2280779910381 is 1830199770822.

It is not a de Polignac number, because 2280779910381 - 23 = 2280779910373 is a prime.

It is a super-2 number, since 2×22807799103812 (a number of 26 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 (2280779910181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23449645 + ... + 23546706.

It is an arithmetic number, because the mean of its divisors is an integer number (217311131648).

Almost surely, 22280779910381 is an apocalyptic number.

2280779910381 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2280779910381 is a deficient number, since it is larger than the sum of its proper divisors (1196198195987).

2280779910381 is a wasteful number, since it uses less digits than its factorization.

2280779910381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46998672.

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 2280779910381 in words is "two trillion, two hundred eighty billion, seven hundred seventy-nine million, nine hundred ten thousand, three hundred eighty-one".

Divisors: 1 3 7 21 2311 6933 16177 48531 46996351 140989053 328974457 986923371 108608567161 325825701483 760259970127 2280779910381