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1228614541868 = 227216732024597
BaseRepresentation
bin10001111000001111001…
…000100010001000101100
311100110021021000110002102
4101320033020202020230
5130112200310314433
62340230121314232
7154523133203240
oct21701710421054
94313237013072
101228614541868
114340639739aa
1217a144635978
138bb1c92329c
1443672968420
1521e5bd934e8
hex11e0f22222c

1228614541868 has 24 divisors (see below), whose sum is σ = 2457343674912. Its totient is φ = 526524534144.

The previous prime is 1228614541837. The next prime is 1228614541937. The reversal of 1228614541868 is 8681454168221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405455 + ... + 1619142.

It is an arithmetic number, because the mean of its divisors is an integer number (102389319788).

Almost surely, 21228614541868 is an apocalyptic number.

It is an amenable number.

1228614541868 is an abundant number, since it is smaller than the sum of its proper divisors (1228729133044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1228614541868 is a wasteful number, since it uses less digits than its factorization.

1228614541868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046281 (or 2046279 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 56.

The spelling of 1228614541868 in words is "one trillion, two hundred twenty-eight billion, six hundred fourteen million, five hundred forty-one thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 21673 43346 86692 151711 303422 606844 2024597 4049194 8098388 14172179 28344358 56688716 43879090781 87758181562 175516363124 307153635467 614307270934 1228614541868