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2228317786513 = 71353626973699
BaseRepresentation
bin100000011011010010000…
…101110001000110010001
321220000200022001010202101
4200123102011301012101
5243002043323132023
64423401451320401
7316663535445310
oct40332205610621
97800608033671
102228317786513
1178a02a331135
122bba43150101
1313218b588b30
1479bcb804277
153ce6c53c1ad
hex206d2171191

2228317786513 has 32 divisors (see below), whose sum is σ = 2794774752000. Its totient is φ = 1729499855616.

The previous prime is 2228317786511. The next prime is 2228317786549. The reversal of 2228317786513 is 3156877138222.

It is a happy number.

It is not a de Polignac number, because 2228317786513 - 21 = 2228317786511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2228317786511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30198538 + ... + 30272236.

It is an arithmetic number, because the mean of its divisors is an integer number (87336711000).

Almost surely, 22228317786513 is an apocalyptic number.

It is an amenable number.

2228317786513 is a deficient number, since it is larger than the sum of its proper divisors (566456965487).

2228317786513 is a wasteful number, since it uses less digits than its factorization.

2228317786513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80041.

The product of its digits is 6773760, while the sum is 55.

The spelling of 2228317786513 in words is "two trillion, two hundred twenty-eight billion, three hundred seventeen million, seven hundred eighty-six thousand, five hundred thirteen".

Divisors: 1 7 13 53 91 371 689 4823 6269 43883 73699 81497 332257 515893 570479 958087 2325799 3906047 4319341 6706609 27342329 30235387 50778611 355450277 462019031 3234133217 6006247403 24487008643 42043731821 171409060501 318331112359 2228317786513